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Alcohol, Phenol and Ethers, , 1217, OH, , (c), , CH 2 OH, , (d), , C, OH, , 13., , General introduction of alcohol, Phenol & Ethers, 1., , 2., , 3., , 4., , Butane-2-ol is, (a) Primary alcohol, (c) Tertiary alcohol, Picric acid is, , [CPMT 1977, 89], , 14., , (b) Secondary alcohol, (d) Aldehyde, [CPMT 1971, 80, 81; DPMT 1983;, MP PMT 1990; BHU 1996], , (a) Trinitroaniline, (c) A volatile liquid, 3- pentanol is a, (a) Primary alcohol, (c) Tertiary alcohol, Glycerol is a, , (b) Trinitrotoluene, (d) 2, 4, 6 trinitrophenol, [RPET 2002], , 15., , 16., , (b) Secondary alcohol, (d) None of these, 17., , Which of following is phenolic, [J & K 2005], (a) Phthalic acid, (b) Phosphoric acid, (c) Picric acid, (d) Phenylacetic acid, 1, 2, 3-trihydroxybenzene is also known as, (a) Pyrogallol, (b) Phloroglucinol, (c) Resorcinol, (d) Quinol, Butanal is an example of, [MP PET 1991], (a) Primary alcohol, (b) Secondary alcohol, (c) Aliphatic aldehyde, (d) Aliphatic ketone, Cyclohexanol is a, (a) Primary alcohol, (b) Secondary alcohol, (c) Tertiary alcohol, (d) Phenol, The characteristic grouping of secondary alcohols is, , [DPMT 1984, 2000; MP PET 2001; J & K 2005], , 5., , 6., , 7., , 8., , (a) Primary alcohol, (b), (c) Secondary alcohol, (d), Cresols are, (a) Hydroxy toluenes, (b), (c) Trihydric phenols, (d), Carbon percentage is maximum in, (a) Pyrene, (b), (c) Ethylene glycol, (d), Ortho-dihydroxy benzene is, (a) Carvacrol, (b), (c) Catechol, (d), Glycerine has, , (a), , CH 2 OH, , Dihydric phenols, Trihydric alcohols, , (c), , C OH, , (a), , CH OH, , C, , OH, OH, , 18., , Which of the following are isomers, , 19., , (a) Methyl alcohol and dimethyl ether, (b) Ethyl alcohol and dimethyl ether, (c) Acetone and acetaldehyde, (d) Propionic acid and propanone, The compound HOCH 2 CH 2 OH is, , [AFMC 2005; BCECE 2005], , Resorcinol, Orcinol, , 20., [DPMT 2000], , 21., , (a) Ethane glycol, (b) Ethylene glycol, (c) Ethylidene alcohol, (d) Dimethyl alcohol, Methylated spirit is, (a) Methanol, (b) Methanol + ethanol, (c) Methanoic acid, (d) Methanamide, The structural formula of cyclohexanol is, [Bihar CEE 1995], , CH, , |, , (b) CH 3 CH 2 CH 2 OH, |, , CH 2 OH, , (a), , CH 2, |, , CH, , 2, , HC, , CHOH, , HC, , CH, , 2, , 2, , CH 3, , (b), , 2, , |, , (d), , 2, , (c), , CH 3 CH 2 OH, , CHOH, , HC, , CH, , 2, , CH, , 2, , 2, , HC, 2, , CH, CH OH, , CH 3, CH 3 C OH, , (d), , |, , Gammexane, PVC, , |, , (c), , CHOH, , [BHU 1998], , (a) One primary and two secondary OH groups, (b) One secondary and two primary OH groups, (c) Three primary OH groups, (d) Three secondary OH groups, Which of the following is tertiary alcohol, CH 2, CH 2 OH, |, , (b), , |, , [MP PMT/PET 1988; MP PMT 1989, 91; AIIMS 1997], , 9., , [DPMT 1984], , Monohydric alcohol, Trihydric alcohol, , 2, , 2, , (d), , |, , 10., 11., , 12., , CH 3, Which is primary alcohol, (a) Butane-2-ol, (c) Propane-2-ol, Carbinol is, (a) C 2 H 5 OH, , (b) Butane-1-ol, (d) Isopropyl alcohol, (b), , CH 3 OH, , (c), , (d), , CH 3 CH 2 CH (OH )CH 3, , (CH 3 )2 CHOH, , 22., [CPMT 1980], , [RPMT 2000], , General formula of primary alcohol is, (a), , CHOH, , (b), , [CPMT 1975], , C, , OH, , Molecular formula of amyl alcohol is, (a), , C 7 H 14 O, , (b) C 6 H 13 O, , (c), , C 5 H 12 O, , (d) C 5 H 10 O, , 23., , Carbolic acid is, , 24., , (a) Phenol, (c) Phenyl acetate, Absolute alcohol is, (a) 100% pure ethanol, (b) 95% alcohol + 5% H 2 O, , [MP PET/PMT 1998; RPET 1999;, KCET (Engg./Med.) 1999; BHU 2000; MP PET 2003], , (c) Ethanol + water + phenol, , (b) Phenyl benzoate, (d) Salol, [RPMT 1997]
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1218 Alcohol, Phenol and Ethers, 25., , 26., , 27., , 28., , (d) 95% ethanol + 5% methanol, Which of the following is dihydric alcohol, [DCE 2004], (a) Glycerol, (b) Ethylene glycol, (c) Catechol, (d) Resorcinol, Wood spirit is known as, [AFMC 2004], (a) Methanol, (b) Ethanol, (c) Acetone, (d) Benzene, Oxygen atom in ether is, [MP PMT/PET 1988], (a) Very active, (b) Replaceable, (c) Comparatively inert, (d) Active, Which of the following is a simple ether, [AFMC 1997], (a) CH 3 OCH 3, (b) C 2 H 5 OCH 3, (c), , 29., , 30., , 31., , C 6 H 5 OCH 3, , (d), , 3., , 4., , C 6 H 5 OC 2 H 5, , An example of a compound with the functional group 'O ' is[CPMT 1983], (a) Acetic acid, (b) Methyl alcohol, (c) Diethyl ether, (d) Acetone, 5., Which of the following do not contain an acyl group, (a) Acid chloride, (b) Amide, (c) Ester, (d) Ether, Name of (CH 3 )2 HC O CH 2 CH 2 CH 3 is, 6., , (a) Permanganate oxidation, (b) Catalytic reduction, (c) Absorbing in H 2 SO 4 followed by hydrolysis, (d) Fermentation, Propene, CH 3 CH CH 2 can be converted to 1-propanol by, oxidation. Which set of reagents among the following is ideal to effect, the conversion, [CBSE PMT 1991], (a) Alkaline KMnO 4, (b), , B 2 H 6 and alkaline H 2 O 2, , (c), , O 3 / Zn dust, , (d) OsO4 / CH 4 , Cl 2, Which one of the following will produce a primary alcohol by, reacting with CH 3 MgI, [MP PET 1991], (a) Acetone, (b) Methyl cyanide, (c) Ethylene oxide, (d) Ethyl acetate, The fermentation of starch to give alcohol occurs mainly with the, help of, [CPMT 1971; MH CET 1999; RPMT 2000], (a) O 2, (b) Air, (c) CO 2, (d) Enzymes, Coconut oil upon alkaline hydrolysis gives, , [MP PMT 1992], , 32., , 33., , (a) Isopropyl propyl ether, (b), (c) Di-isopropyl ether, (d), Acetals are, (a) Ketones, (b), (c) Aldehyde, (d), In ethers, the C – O – C bond angle is, (a), , 180 o, o, , (b), , [MP PET 1991; AFMC 2000; KCET 2001; BCECE 2005], , Dipropyl ether, Isopropyl propyl ketone, [BVP 2003], , 7., , [MP PMT 1989, 90, 96; CPMT 1983, 84, 86, 94;, KCET 1989; MNR 1978; MP PET 1994, 99], , Diethers, Hydroxy aldehydes, 90 o, , 8., o, , 34., , (c) 110, (d) 160, According to Lewis concept of acids and bases, ether is, , 35., , (a) Acidic, (b) Basic, (c) Neutral, (d) Amphoteric, The compound which is not isomeric with diethyl ether is, , 9., , [IIT 1981; CPMT 1989; Bihar MEE 1995; MP PET 2001], , 37., , 38., , 39., , (a) n-propylmethyl ether, (b) Butan-1-ol, (c) 2-methylpropan-2-ol, (d) Butanone, Structure of diethyl ether is confirmed by, [DPMT 1985], (a) Kolbe's synthesis, (b) Frankland's synthesis, (c) Wurtz's synthesis, (d) Williamson's synthesis, Fermentation is an, [CPMT 1977; RPMT 1999], (a) Endothermic reaction, (b) Exothermic reaction, (c) Reversible reaction, (d) None of these, Nitroglycerine is, (a) An ester, (b) An alcohol, (c) A nitro compound, (d) An acid, Which of the following are known as mercaptans, , 10., , 11., , 12., , (b) Thio-ethers, (d) Thio-aldehydes, , 13., , 2., , Ethanol is prepared industrially by, [MP PMT 1989], (a) Hydration of ethylene, (b) Fermentation of sugars, (c) Both the above, (d) None of these, Ethyl alcohol is industrially prepared from ethylene by, [CPMT 1985], , (c) CH 3 CHO, (d) H 2 O, On heating aqueous solution of benzene diazonium chloride, which, is formed, [CPMT 1988; BHU 1980], (a) Benzene, (b) Chlorobenzene, (c) Phenol, (d) Aniline, LiAlH4 converts acetic acid into, (a) Acetaldehyde, (b) Methane, (c) Ethyl alcohol, (d) Methyl alcohol, Formaldehyde gives an additive product with methyl magnesium, iodide which on aqueous hydrolysis gives, [MP PMT/PET 1988], , Preparation of alcohol, Phenol and Ethers, 1., , (a) o-cresol, (b) p-cresol, (c) 2, 4-dihydroxy toluene, (d) Benzyl alcohol, In the commercial manufacture of ethyl alcohol from starchy, substances by fermentation method, which enzymes stepwise, complete the fermentation reaction, [BIT 1992], (a) Diastase, maltase and zymase, (b) Maltase, zymase and invertase, (c) Diastase, zymase and lactase, (d) Diastase, invertase and zymase, Primary alcohols can be obtained from the reaction of the RMgX, with, [Pb. PMT 2001], (a) CO 2, (b) HCHO, , [CPMT 1977; MP PMT 1990, 92], , [Pb. PMT 2002], , (a) Thio-alcohols, (c) Thio-acids, , (a) Diastase, (b) Invertase, (c) Zymase, (d) Maltase, Chlorination of toluene in the presence of light and heat followed by, treatment with aqueous NaOH gives, [IIT-JEE 1990], , [CPMT 1994], , 36., , (a) Glycol, (b) Alcohol, (c) Glycerol, (d) Ethylene oxide, Which enzyme converts glucose and fructose both into ethanol, , 14., , (a) Isopropyl alcohol, (b) Ethyl alcohol, (c) Methyl alcohol, (d) Propyl alcohol, Benzyl alcohol is obtained from benzaldehyde by, [CPMT 1983; MNR 1993], , (a) Fittig's reaction, (c) Kolbe's reaction, , (b) Cannizaro's reaction, (d) Wurtz's reaction
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Alcohol, Phenol and Ethers, 15., , 16., , Benzene diazonium chloride on boiling with dilute sulphuric acid, gives, [MP PMT 1983], (a) Toluene, (b) Benzoic acid, (c) Benzene, (d) Phenol, The reaction given below is known as, C 2 H 5 ONa IC2 H 5 C 2 H 5 OC 2 H 5 NaI, [CPMT 1990; KCET 1990; MH CET 2003; Pb. CET 2002], , 17., , 18., 19., , 20., , 21., , 22., , 23., , 24., 25., , 26., , 27., , 28., , 29., , 1219, , Acetone on treatment with CH 3 Mg I and on further, hydrolysis gives, [UPSEAT 2000], (a) Isopropyl alcohol, (b) Primary alcohol, (c) Acetic acid, (d) 2-methyl 2-propanol, In the following reaction 'A' is, H 2O, C 2 H 5 MgBr H 2 C CH 2 , A, , (a) Kolbe's synthesis, (b) Wurtz's synthesis, (c) Williamson's synthesis, (d) Grignard's synthesis, O, Salicylaldehyde can be prepared from, [CPMT 1983], [MP PET 1994; CBSE PMT 1998], (a) Phenol and chloroform, (a), (b), C, H, CH, CHO, C 2 H 5 CH 2 CH 2 OH, 2, 5, 2, (b) Phenol, chloroform and sodium hydroxide, (c) Phenol, carbon tetrachloride and NaOH, (c) C 2 H 5 CH 2 OH, (d) C 2 H 5 CHO, (d) None of these, 30., Sodium benzene sulphonate reacts with NaOH and then on acidic, If formaldehyde and potassium hydroxide are heated, then we get [CPMT 1989, 90; KCET, 2000] it gives, hydrolysis,, [Roorkee 1995; KCET 1998], (a) Acetylene, (b) Methane, (a) Phenol, (b) Benzoic acid, (c) Methyl alcohol, (d) Ethyl formate, (c) Benzene, (d) Disodium benzaldehyde, An organic compound dissolved in dry benzene evolved hydrogen on, 31., Phenol is obtained by heating aqueous solution of, [MP PMT 1995], treatment with sodium. It is, (a) Aniline, [NCERT 1981; SCRA 1990], (b) Benzene diazonium chloride, (a) A ketone, (b) An aldehyde, (c) Benzoic acid, (c) A tertiary amine, (d) An alcohol, (d) None of these, CH 3, 32., C 2 H 5 MgI reacts with HCHO to form last product, |, K Cr O7, CH 3 MgI, A 2 2 , B , CH 3 C CH 3 . The reactant A, [MP PMT 1991], |, dil. H 2 SO 4, H 2O, (a) CH 3 CHO, (b) C 3 H 7 OH, OH, is, [MH CET 2002, 03; AFMC 2004; MP PMT/PET 1988;, (c) CH 3 COCH 3, (d) CH 3 COOCH 3, EAMCET 1989; CPMT 1988; MP PET 2000], 33., Which one is not synthesized by Grignard reagent, (a) CH 3 CHOHCH 3, (b) CH 3 COCH 3, [MP PET 1991], (a) Primary alcohol, (b) Secondary alcohol, (c) C2 H 5 OH, (d) CH 3 COOH, (c) A ketone, (d) An ester, 34., Reaction of aqueous sodium hydroxide on (i) ethyl bromide and (ii), The reaction, water gas (CO H 2 ) H 2 673 K, 300 atmosphere in, chlorobenzene gives, presence of the catalyst Cr2O3 / ZnO is used for the manufacture of[MP PMT 1989], (a) (i) Ethene and (ii) o-chlorophenol, (a) HCHO, (b) HCOOH, (b) (i) Ethyl alcohol and (ii) o-chlorophenol, (c) (i) Ethyl alcohol and (ii) phenol, (c) CH 3 OH, (d) CH 3 COOH, (d) (i) Ethyl alcohol an d(ii) no reaction, NaOH, Product., CH 2 CH 2 B2 H6 , 35., RMgBr on reaction with an excess of oxygen followed by hydrolysis, H 2 SO 4, gives, [Roorkee Qualifying 1998], Product in above reaction is, [RPMT 2003], (a) RH, (b) ROOR, (a) CH 3 CH 2 CHO, (b) CH 3 CH 2 OH, (c) ROOH, (d) ROH, 36., The, reaction, between, an, ester, and, excess of Grignard reagent shall, (c) CH 3 CHO, (d) None of these, finally result in a, [UPSEAT 2000], Phenolphthalein is obtained by heating phthalic anhydride with conc., (a) Primary alcohol, (b) Secondary alcohol, [BHU 1996], H 2 SO 4 and, (c) Tertiary alcohol, (d) Ketone, 37., The compound that will react most readily with NaOH to form, (a) Benzyl alcohol, (b) Benzene, methanol is, [IIT-JEE (Screening) 2001], (c) Phenol, (d) Benzoic acid, Maltose on hydrolysis gives, [BHU 1996; CPMT 2001], (a) (CH 3 )4 N I , (b) CH 3 OCH 3, (a) Mannose + glucose, (b) Galactose + glucose, (c) (CH 3 )3 S I , (d) (CH 3 )3 Cl, (c) Glucose, (d) Mannose + fructose, Absolute alcohol can be obtained from rectified spirit, 38., When 2-ethylanthraquinol dissolved in a mixture of benzene and, [KCET 1985], cyclohexanol is oxidised, the product is, [JIPMER 1999], (a) By removing the water in it using concentrated sulphuric acid, (a) Ethanol, (b) Hydrogen peroxide, (b) By removing the water using phosphorus pentoxide, (c) Anthracene, (d) None of these, (c) By distilling with the appropriate amount of benzene, 39., Which gas is eliminated in fermentation, [RPMT 1997], (d) By distilling over plenty of quick lime, (a) O 2, (b) CO 2, Grignard reagent reacts with compounds containing which of the, (c) N 2, (d) H 2, following groups, [MNR 1987], 40., Action of nitrous acid with ethylamine produces, [BHU 2000], (a) C O, (b) C N, (a) Ethane, (b) Ammonia, (c) C S, (d) All of these, (c) Ethyl alcohol, (d) Nitroethane, , 41., The product of reduction of benzaldehyde is, Glycerol + Soap, Oil NaOH, (aq), (a) Benzoic acid, (b) Benzyl alcohol, Above reaction is called, [UPSEAT 2001], (c) Benzene, (d) Catechol, (a) Saponification, (b) Esterification, 42., Commercially methanol is prepared by, (c) Hydrogenation, (d) None of these, [IIT 1984; MP PMT 1990; KCET 1992], (a) Reduction of CO in presence of ZnO.Cr2O3
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1220 Alcohol, Phenol and Ethers, , 43., , (b) Methane reacts with water vapours at 900 o C in presence of, Ni catalyst, (c) Reduction of HCHO by LiAlH4, (d) Reduction of HCHO by aqueous NaOH, Action of water in the presence of sulphuric acid with the following, alkenes, CH 3, (i) CH 3 CH C, and, CH 3, , 52., , [AIEEE 2004], , 53., , 54., , CH 3, (a) CH 3 CH 2 C, and (ii) CH 3 CH CH 3, |, |, CH 3, OH, OH, CH 3, (b) (i) CH 3 CH CH, and, |, CH 3, OH, (ii) CH 3 CH 2 CH 2 OH, , 55., , |, , OH, (d) (i) CH 3 CH 2 C, |, , OH, , CH 3, and (ii) CH 3 CH CH 3, |, CH 3, OH, CH 3, and, CH 3, , 56., , (ii) CH 3 CH 2 CH 2 OH, 44., , From Williamson’s synthesis preparation of which of following is, possible, (a) Only symmetrical ethers, (b) Only symmetrical ethers, (c) Both types, (d) None of these, , 57., , alkali, A, A is, In the reaction Ar OH Rx , , 46., , (a) An aldehyde, (b) An aryl chloride, (c) An ether, (d) A ketone, Williamson's synthesis is used to prepare, , [Orissa JEE 2004], , (a), , [MP PET 1994], , (c), , 58., , (a) Acetone, (b) Diethyl ether, (c) P.V.C., (d) Bakelite, When an alkyl halide is allowed to react with a sodium alkoxide the, product most likely is, (a) An aldehyde, (b) A ketone, (c) An ether, (d) A carboxylic acid, In Williamson's synthesis, ethoxyethane is prepared by, (a) Passing ethanol over heated alumina, (b) Sodium ethoxide with ethyl bromide, (c) Ethyl alcohol with sulphuric acid, (d) Ethyl iodide and dry silver oxide, Formation of diethyl ether from ethanol is based on a, [BVP 2003], , 51., , CH 3 MgI and CH 3 COCH 3, , (b) CH 3 MgI and C2 H 5 OH, (c), , CH 3 MgI and CH 3 COOC 2 H 5, , (d) CH 3 MgI and HCOOC2 H 5, , [MP PMT 1995; BHU 2005], , 50., , (CH 3 )3 CONa C2 H 5 Cl, , Which of the following combinations can be used to synthesize, ethanol, [KCET 2004], (a), , [MP PMT 1996; EAMCET 1998], , 49., , (C2 H 5 )3 CONa CH 3 Cl, , (d) (CH 3 )3 CONa CH 3 Cl, , [DPMT 1976, 81, 82, 83, 84; CPMT 1976, 82], , 48., , (a) 2-methyl-2-propanol, (b) Acetamide, (c) Acetone, (d) Acetyl iodide, What is obtained when chlorine is passed in boiling toluene and, product is hydrolysed, [DCE 2004], (a) o-Cresol, (b) p-Cresol, (c) 2, 4-Dihydroxytoluene, (d) Benzyl alcohol, Which of the following is formed when benzaldehyde reacts with, sodium hydroxide, [Pb. CET 2002], (a) Benzyl alcohol, (b) Benzoic acid, (c) Glucose, (d) Acetic acid, When ethanal reacts with CH 3 MgBr and C2 H 5 OH /dry HCl the, product formed are, [DCE 2003], (a) Ethyl alcohol and 2-propanol, (b) Ethane and hemi-acetal, (c) 2-propanol and acetal, (d) Propane and methyl acetate, Which of the following is industrially prepared by passing ethylene, into hypochlorous acid, [BHU 2004], (a) Ethylene glycol, (b) Ethylene oxide, (c) Ethylene dinitrate, (d) Ethane, In which case methyl-t-butyl ether is formed, , (b) (CH 3 )3 CONa CH 3 Cl, , 45., , 47., , bromide reacts with excess of CH 3 MgI followed by, , treatment with a saturated solution of NH 4 Cl gives, , (ii) CH 3 CH CH 2 gives, , (c) (i) CH 3 CH CH, , Acetyl, , (a) Dehydration reaction, (b) Dehydrogenation reaction, (c) Hydrogenation reaction, (d) Heterolytic fission reaction, The compound formed when ethyl bromide is heated with dry silver, oxide is, [MP PET/PMT 1988], (a) Dimethyl ether, (b) Diethyl ether, (c) Methyl alcohol, (d) Ethyl alcohol, The reagent used for the preparation of higher ether from, halogenated ethers is, [Tamil Nadu CET 2001], (a) conc. H 2 SO 4, (b) Sodium alkoxide, (c) Dry silver oxide, (d) Grignard reagent, , 59., , 60., , X, C6 H 5 CH CHCHO , C6 H 5 CH CHCH 2OH . In, the above sequence X can be, [DCE 2004], , (a), , H 2 / Ni, , (b), , (c), , K2Cr2O7 / H , , (d) Both (a) and (b), , NaBH 4, , Alkenes convert into alcohols by, , [MP PET 1991], , (a) Hydrolysis by dil. H 2 SO 4, (b) Hydration of alkene by alkaline KMnO 4, (c) Hydrolysis by water vapours and conc. H 2 SO 4, (d) Hydration of alkene by aqueous KOH, 61., , 62., , Acetic acid and CH 3 OH are obtained on large scale by, destructive distillation of, (a) Wood, (b) Coal, (c) Turpentine, (d) Crude oil, Which is formed when benzalamine react with nitrous acid, [KCET (Med.) 2001], , (a), , C6 H 5 OH, , (b) C6 H 5 ON
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Alcohol, Phenol and Ethers, (c), 63., , 64., , (d), , C 2 H 5 N 2 OH, , (c), , C6 H 5 CH 2 OH, , Acid catalyzed hydration of alkenes except ethene leads to the, formation of, [AIEEE 2005], (a) Primary alcohol, (b) Secondary or tertiary alcohol, (c) Mixture of primary and secondary alcohols, (d) Mixture of secondary and tertiary alcohols, Methylphenyl ether can be obtained by reacting, , 8., , [J & K 2005], , 9., , (a), (b), (c), (d), , (a), , Phenolate ions and methyl iodide, Methoxide ions and bromobenzene, Methanol and phenol, Bromo benzene and methyl bromide, , 10., Which compound is formed when, , CH 3 OH, , CH 3 Mg X, , 2., , 3., , 4., , reacts with, [CPMT 1977, 89], , (a) Acetone, (c) Methane, , (b) Alcohol, (d) Ethane, , 11., A compound X of formula C 3 H 8 O yields a compound C 3 H 6 O ,, on oxidation. To which of the following classes of compounds could, X being, [Pb. PMT 2000], (a) Secondary alcohol, (b) Alkene, (c) Aldehyde, (d) Tertiary alcohol, 12., The boiling point of alcohol are …. than corresponding thiols[Pb. PMT 2000], (a) More, (b) Same, (c) Either of these, (d) Less, 13., Methyl alcohol can be distinguished from ethyl alcohol using, [KCET 1984; BHU 2000], , 5., , (a) Fehling solution, (b) Schiff's reagent, (c) Sodium hydroxide and iodine, (d) Phthalein fusion test, A compound X with molecular formula C3 H 8 O can be oxidised to, , 6., , a compound Y with the molecular formula C 3 H 6 O 2 X is most, likely to be, [MP PMT 1991], (a) Primary alcohol, (b) Secondary alcohol, (c) Aldehyde, (d) Ketone, An alcohol on oxidation is found to give CH 3 COOH and, CH 3 CH 2 COOH . The structure of the alcohol is, , (a), , 14., 15., , 16., , 17., , [BIT 1990], , (b) (CH 3 )2 C(OH )CH 2 CH 3, , 7., , CH 3 CH 2CHOHCH 3, , (d), , CH 3 CH (OH )CH 2 CH 2 CH 3, , 18., , An organic liquid A containing C, H and O has a pleasant odour, , 19., , o, , with a boiling point of 78 C On boiling A with conc. H 2 SO 4 a, colourless gas is produced which decolourises bromine water and, alkaline KMnO4 . One mole of this gas also takes one mole of, H 2 . The organic liquid A is, , 20., , [KCET 1993], , (a), , C 2 H 5 Cl, , (b), , C 2 H 5 CHO, , C 6 H 5 NH 2, , (b) C 2 H 5 OH, , (c) CH 3 OCH 3, (d) CHCl 3, Rectified spirit obtained by fermentation contains 4.5% of water. So, in order to remove it, rectified spirit is mixed with suitable quantity, of benzene and heated. Benzene helps because, [KCET 1987], (a) It is dehydrating agent and so removes water, (b) It forms the lower layer which retains all the water so that, alcohol can be distilled off, (c) It forms an azeotropic mixture having high boiling point and, thus allows the alcohol to distill over, (d) It forms low boiling azeotropic mixtures which distill over,, leaving behind pure alcohol which can then be distilled, aq. NaOH, C6 H 5 OH ClCOCH 3 , , C6 H 5 OCOCH 3, is an example of, [BHU 1984], (a) Dow's reaction, (b) Reimer-Tiemann reaction, (c) Schotten-Baumann reaction, (d) Kolbe's reaction, Ortho-nitrophenol is steam volatile whereas para-nitrophenol is not., This is due to, [CBSE PMT 1989], (a) Intramolecular hydrogen bonding present in ortho-nitrophenol, (b) Intermolecular hydrogen bonding, (c) Intramolecular hydrogen bonding present in para-nitrophenol, (d) None of these, Reaction of phenol with dil. HNO 3 gives, , [KCET 1993; RPMT 1997], , (a) p and m-nitrophenols, (c) Picric acid, Phenol is less acidic than, , (b) o- and p-nitrophenols, (d) o- and m-nitrophenols, [IIT-JEE 1986; UPSEAT 2003; Orissa JEE 2004], , (a) Acetic acid, (b) p-nitrophenol, (c) Both (a) and (b), (d) None of these, The strongest acid among the following aromatic compounds is[NCERT 1978], (a) ortho-nitrophenol, (b) para-chlorophenol, (c) para-nitrophenol, (d) meta-nitrophenol, Diazo-coupling is useful to prepare some, [CBSE PMT 1994], , CH 3 CH 2 CH 2 OH, , (c), , (d) C 2 H 5 OH, , An aromatic amine (A) was treated with alcoholic potash and, another compound (Y) when foul smelling gas was formed with, formula C 6 H 5 NC . Y was formed by reacting a compound (Z), , with Cl 2 in the presence of slaked lime. The compound (Z) is[CBSE PMT 1990], , Properties of alcohol, Phenol and Ethers, 1., , C2 H 6, , 1221, , 21., , (a) Pesticides, (b) Proteins, (c) Dyes, (d) Vitamins, Glycerol reacts with P4 I 2 to form, [CBSE PMT 1991], (a) Aldehyde, (b) Allyl iodide, (c) Allyl alcohol, (d) Acetylene, When glycerine is added to a litre of water which of the following, behaviour is observed, [NCERT 1977; BHU 1979], (a) Water evaporates more easily, (b) The temperature of water is increased, (c) The freezing point of water is lowered, (d) The viscosity of water is lowered, Final product formed on reduction of glycerol by hydroiodic acid is[CPMT 1987], (a) Propane, (b) Propanoic acid, (c) Propene, (d) Propyne, Glycerol was distilled with oxalic acid crystals and the products were, led into Fehling solution and warmed. Cuprous oxide was, precipitated. It is due to, [KCET 1987], (a) CO, (b) HCHO, (c) CH 3 CHO, (d) HCOOH, Kolbe-Schmidt reaction is used for, [CBSE PMT 1991], (a) Salicylic acid, (b) Salicylaldehyde, (c) Phenol, (d) Hydrocarbon, Which of the following explains the viscous nature of glycerol[JIPMER 1997]
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1222 Alcohol, Phenol and Ethers, , 22., , (a) Covalent bonds, (b) Hydrogen bonds, (c) Vander Wall's forces, (d) Ionic forces, On heating glycerol with conc. H 2 SO 4 , a compound is obtained, which has a bad odour. The compound is, , 34., , [CPMT 1974; CBSE PMT 1994], , 23., , (a) Glycerol sulphate, (b) Acrolein, (c) Formic acid, (d) Allyl alcohol, Isopropyl alcohol on oxidation forms, [CPMT 1971, 81, 94; RPMT 2002], , 24., , 25., , (a) Acetone, (b) Ether, (c) Ethylene, (d) Acetaldehyde, Benzenediazonium chloride on reaction with phenol in weakly basic, medium gives, [IIT-JEE 1998], (a) Diphenyl ether, (b) p-hydroxyazobenzene, (c) Chlorobenzene, (d) Benzene, The alcohol that produces turbidity immediately with ZnCl 2 , conc. HCl at room temperature, [EAMCET 1997; MP PMT 1989, 99; IIT JEE 1981, 86;, CBSE PMT 1989; CPMT 1989;, MP PET 1997; JIPMER 1999], , 26., , (a) 1-hydroxybutane, (b) 2-hydroxybutane, (c) 2-hydroxy-2-methylpropane, (d) 1-hydroxy-2-methylpropane, The reagent which easily reacts with ethanol and propanol is, [MP PET 1989], , 27., , 35., , 29., , 30., , 31., , 36., , (b) CH 2 CH 3 OH, , (c), , CH 3 CH 2 OH, , (d) CH 3 CH 2 CH 3, , The reaction of ethylene glycol with PI 3 gives, (a), , ICH 2 CH 2 I, , (b) CH 2 CH 2, , (c), , CH 2 CHI, , (d), , ICH CHI, , The compound ‘A’ when treated with ceric ammonium nitrate, solution gives yellow ppt. The compound ‘A’ is, , 37., , 38., , (a) Alcohol, (b) Aldehyde, (c) Acid, (d) Alkane, Which of the following product is formed, when ether is exposed to, air, [AIIMS 2000; RPMT 2002], (a) Oxide, (b) Alkanes, (c) Alkenes, (d) Peroxide of diethyl ether, During dehydration of alcohols to alkenes by heating with, conc. H 2 SO 4 the initiation step is, [AIEEE 2003], (a) Protonation of alcohol molecule, (b) Formation of carbocation, (c) Elimination of water, (d) Formation of an ester, Phenol is less acidic than, [MNR 1995], (a) Ethanol, (b) Methanol, (c) o-nitrophenol, (d) p-methylphenol, The compound which gives the most stable carbonium on, dehydration is, [MNR 1995], , (a) 2-propanol, (b) 1-propanol, (c) Propanal, (d) n-propyl alcohol, Which of the following statements is correct, [BHU 1997], 39., (a) Phenol is less acidic than ethyl alcohol, (b) Phenol is more acidic than ethyl alcohol, (c) Phenol is more acidic than carboxylic acid, (d) Phenol is more acidic than carbonic acid, 40., Boiling point of alcohol is comparatively higher than that, corresponding alkane due to, [MH CET 2002], (a) CH 3 CH CH 2 OH, (a) Intermolecular hydrogen bonding, |, (b) Intramolecular hydrogen bonding, CH 3, (c) Volatile nature, (d) None of these, CH 3, When Phenol is heated with phthalic anhydride in concentrated, |, sulphuric acid and the hot reaction mixture is poured into a dilute, solution of sodium hydroxide, the product formed is[MP PET 1997, 2003; RPMT 1999;(b) CH C OH, 3, KCET (Med.) 2000; CPMT 1981; CBSE PMT 1988], |, (a) Alizarin, (b) Methyl orange, (c) Fluorescein, (d) Phenolphthalein, CH 3, Jon' s, CH 3 CH CH CH (OH ) CH 3 , X,, (c) CH 3 CH 2 CH 2 CH 2 OH, reagent, Product X is, [RPET 2000], (d) CH 3 CH CH 2 CH 3, (a) CH 3 CH 2 CH 2 CH (OH)CH 3, |, OH, (b) CH CH CHCOCH, 3, , 3, , 41., , 600 C, , product, Reaction : CH 3 OH O 2 , , The product is, (a) CH 2 C O, , (b), , H 2C O, , (c), , (d), , C2 H 2, , C2 H 4, , [RPET 2000], , Ethylene glycol, on oxidation with per-iodic acid, gives, [NCERT 1983; CPMT 1983], , (a) Oxalic acid, (c) Formaldehyde, , At higher temperature, iodoform reaction is given by, [AIIMS 2003], , 0, , Ag, , 33., , CH 3 CHO, , [MP PET 2002], , (a) Fehling solution, (b) Grignard reagent, (c) Schiff's reagent, (d) Tollen's reagent, Propene is the product obtained by dehydrogenation of, , (c) Both (a) and (b) are correct, (d) CH 3 CH 2 CH 2 COCH 3, 32., , (a), , [MP PMT 2000], , [KCET (Engg.) 2001], , 28., , An unknown compound ‘D’, first oxidised to aldehyde and then, acitic acid by a dilute solution of K 2 Cr2 O7 and H 2 SO 4 . The, unknown compound ‘D’ is, [BHU 2000], , (b) Glycol, (d) Glycollic acid, , 42., , 43., , (a), , CH 3 CO 2 CH 3, , (b) CH 3 CO 2 C 2 H 5, , (c), , C6 H 5 CO 2 CH 3, , (d) CH 3 CO 2 C6 H 5, , Cresol has, (a) Alcoholic – OH, (c) – COOH, , [CPMT 2003], , (b) Phenolic – OH, (d) – CHO, , X, CH 2 CH 2 H 2 O;, In CH 3 CH 2 OH , o, 350 C, , 'X' is, (a) NaCl, , (b) CaCl 2, , (c), , (d), , P2 O 5, , Al 2 O 3
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Alcohol, Phenol and Ethers, 44., , 45., , Sodium phenoxide reacts with, pressure to give, (a) Sodium salicylate, (c) Catechol, The reaction of C 2 H 5 OH with, , CO 2 at 400 K and 4-7 atm, [MP PET 1996], , (b) Salicylaldehyde, (d) Benzoic acid, H 2 SO 4 does not give, , 54., , 55., , 47., , 48., , (a) Ethylene, (b) Diethyl ether, (c) Acetylene, (d) Ethyl hydrogen sulphate, 56., The order of stability of carbonium ions is, [MP PET 1996], (a) Methyl > ethyl > iso-propyl > tert-butyl, (b) Tert-butyl > iso-propyl > ethyl > methyl, (c) Iso-propyl > tert-butyl > ethyl > methyl, (d) Tert-butyl > ethyl > iso-propyl > methyl, 57., Which statement is not correct about alcohol, [AFMC 1997], (a) Alcohol is lighter than water, (b) Alcohol evaporates quickly, (c) Alcohol of less no. of carbon atoms is less soluble in water than, 58., alcohol of high no. of carbon atoms, (d) All of these, An organic compound A reacts with sodium metal and forms B. On, heating with conc. H 2 SO 4 , A gives diethyl ether. A and B are[AFMC 1998], (a), , C 2 H 5 OH and C 2 H 5 ONa, , (b), , C 3 H 7 OH and CH 3 ONa, , (c), , CH 3 OH and CH 3 ONa, , 59., , 51., , C 4 H 9 OH and C4 H 9 ONa, In the Liebermann's nitroso reaction, sequential changes in the colour, of phenol occurs as, , 1, (d) None of these, mole of H 2, 2, Which reagent is useful in converting 1-butanol to 1-bromobutane[EAMCET 1989, (a) CHBr3, (b) Br2, (c), , (c), , (d), , CH 3 Br, , PBr3, , The OH group of methyl alcohol cannot be replaced by chlorine, by the action of, [KCET 1989], (a) Chlorine, (b) Hydrogen chloride, (c) Phosphorus trichloride, (d) Phosphorus pentachloride, Which of the following gives ketone on oxidation, , 60., , (CH 3 )3 COH, , (b) CH 3 CH 2 CH 2 OH, , (c) (CH 3 )2 CHCH 2 OH, (d) CH 3 CHOHCH 3, Phenol is treated with bromine water and shaken well. The white, precipitate formed during the process is, [KCET (Med.) 2001; BIT 1992; AIIMS 1996; KCET 2001], , (a) m-bromophenol, (b) 2, 4-dibromophenol, (c) 2, 4, 6-tribromophenol, (d) A mixture of o- and p-bromophenols, Which compound has the highest boiling point, , 5, , respectively, (a) C 3 H 8 and C 3 H 7 Cl, (b), , C 2 H 6 and C 2 H 5 Cl, , (c), , C 2 H 5 Cl and C 2 H 5 Cl, , 63., , [EAMCET 1998], , 64., , Dehydration of ethanol gives, [CPMT 1985; BHU 1989], (a) Acetic acid, (b) Ethane, (c) Ethylene, (d) Acetylene, Which of the following compound will give positive iodoform test [MP PMT 1986,, H, |, , (a), , (d) C 2 H 5 OH and C 2 H 5 Cl, The increasing order of acidity among phenol, p-methylphenol, mnitrophenol and p-nitrophenol is, (a) m-nitrophenol, p-nitrophenol, phenol, p-methylphenol, (b) p-methylphenol, m-nitrophenol, phenol, p-nitrophenol, (c) p-methylphenol, phenol, m-nitrophenol, p-nitrophenol, (d) Phenol, p-methylphenol, p-nitrophenol, m-nitrophenol, Which of the following is not characteristic of alcohols, , CH 3 OH, , (b) CH 3 C OH, |, , CH 3, CH 3, , [CBSE PMT 1995; RPMT 2002], , 53., , (b) One mole of H 2, , (a) Brown or red green red deep blue, (b) Red deep blue green, (c) Red green white, 61., (d) White red green, [MP PET 2003], Which one of the following reactions does not yield an alkyl halide[EAMCET 1998], (a) Acetone, (b) Diethyl ether, (a) Diethyl ether Cl 2, (c) Methanol, (d) Ethanol, (b) Diethyl ether HI, 62., When vapour of ethanol are passed over platinised asbestos in, excess of air, the compound formed is, [CPMT 1983], (c) Diethyl ether and PCl5, (a) CH 3 CHO, (b) CH 3 COCH 3, SO 2 Cl 2, Reduction, (d) Diethyl ether , , X , , (c) C 2 H 2, (d) CH 3 COOH, Compound A reacts with PCl to give B which on treatment with, , KCN followed by hydrolysis gave propionic acid. What is A and B, , 52., , [NCERT 1972], , (a) One mole of oxygen, , [EAMCET 1987; BIT 1992], , [AFMC 1998; BHU 1999], , 50., , (a) Pri > Sec > Ter, (b) Pri > Sec < Ter, (c) Pri < Sec > Ter, (d) Pri < Sec < Ter, 23 g of Na will react with methyl alcohol to give, , (a), , (d), 49., , (d) The lower alcohols are soluble in water, In reaction of alcohols with alkali metal, acid etc. which of the, following alcohol will react fastest, [BHU 1984], (a) Secondary, (b) Tertiary, (c) Primary, (d) All equal, Order of reactivity of alcohols towards sodium metal is, [Pb. CET 1985], , [MP PET 1996], , 46., , 1223, , |, , (c), , CH 3 C OH, , (d) CH 3 CH 2 CH 2 OH, , |, , 65., , CH 3, Absolute ethanol cannot be obtained by simple fraction of a solution, of ethanol and water because, [KCET 1984; MP PMT 1987], , [AFMC 1992], , (a) Lower alcohols are stronger and have bitter taste, (b) Higher alcohols are stronger and have bitter taste, (c) The boiling points of alcohols increase with increasing, molecular mass, , (a) Their B.P.'s are very nearer, (b) Ethanol remains dissolved in water, (c) They form a constant boiling mixture
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1224 Alcohol, Phenol and Ethers, 66., , (d) Ethanol molecules are solvated, The alcohol which easily reacts with conc. HCl is, [MP PMT 1985], , (a), , CH 3 CHOH CH 2 CH 3, , 75., , [MNR 1987], , (b) (CH 3 )3 C OH, (c), , CH 3 CH 2 CH 2 CH 2 OH, , (d) (CH 3 )3 CH CH 2 OH, 67., , In the following series of chemical reactions, identify Z, o, , 160 180 C, , |, , |, , |, , NH 2, , OH, , OH, , |, , NH 2, (c), , CH 3 CH CH 2, , (b), , CH 3 C CH 2, , CH 3 C CH, , (d), , 68., , 70., , HCOOH, , (d) CH 3 COOH, , 77., , (b) Acetaldehyde, (d) Formic acid, [CBSE PMT 1990; AIIMS 2002; AFMC 2005], , 80., , (a) Alcohols, (b) Amines, (c) Diethyl ether, (d) Glacial acetic acid, When phenol reacts with ammonia in presence of ZnCl 2 at 300°C,, it gives, [AFMC 2001], (a) Primary amine, (b) Secondary amine, (c) Tertiary amine, (d) Both (b) and (c), Azo-dyes are prepared from, [CPMT 2001], (a) Aniline, (b) Benzaldehye, (c) Benzoic acid, (d) Phenol, A compound that easily undergoes bromination is, , 81., , (a) Phenol, (b) Toluene, (c) Benzene, (d) Benzoic acid, Which of the following has lowest boiling point, , [CPMT 1976, 89; Pb. PMT 2000], , 69., , (c), , [MNR 1987; Bihar CEE 1995; UPSEAT 2000], , OH, Alcohols of low molecular weight are, , (a) Soluble in water, (b) Soluble in all solvents, (c) Insoluble in all solvents, (d) Soluble in water on heating, Which of the following compounds is oxidised to prepare methyl, ethyl ketone, [DCE 2001], (a) 2 - propanol, (b) 1 - butanol, (c) 2 - butanol, (d) Tert-butyl alcohol, Which of the following is acidic, , (b) CH 3 CHO, , (a) Acetic acid, (c) Formaldehyde, Lucas test is used for, , 78., , |, , CH 3 COCH 3, , Ethyl alcohol on oxidation with K2Cr2O7 gives, , Alc. KOH, , [Manipal MEE 1995], , CH 3 CH CH 2, , (a), , 76., , Conc . H 2 SO 4, Br2, Excess of, C 3 H 7 OH , , X , Y , Z, , (a), , (b) Ketones and aldehydes respectively, (c) Only aldehydes, (d) Only ketones, Methyl alcohol on oxidation with acidified K 2 Cr2 O7 gives, , 79., , [KCET (Engg.) 2002], , [MH CET 1999], , [CBSE PMT 2001; MH CET 2001], , 71., , (a), , CH 3 OH, , (b), , C6 H 5 OH, , (c), , (CH 3 )2 CHOH, , (d), , CH 3 CH 2 OH, , With excess bromine, phenol reacts of form, , 82., , (a) p-nitrophenol, (b) m-nitrophenol, (c) o-nitrophenol, (d) phenol, In esterification, the reactivity of alcohols is, (a) 1° > 2° > 3°, (b) 3° > 2° > 1°, (c) Same in all cases, (d) None of these, , 83., , The role of conc. H 2 SO 4 in the esterification process is, , 84., , (a) Catalyst, (b) Dehydrating agent, (c) Hydrolysing agent, (d) Dehydrating agent and catalyst, Methanol and ethanol are distinguished by the, , 85., , (a) Action of HCl, (b) Iodoform test, (c) Solubility in water, (d) Sodium, For phenol, which of the following statements is correct, , 86., , (a) It is insoluble in water, (b) It has lower melting point compared to aromatic hydrocarbons, of comparable molecular weight, (c) It has higher boiling point than toluene, (d) It does not show acidic property, The reaction of Lucas reagent is fast with, [MP PMT 2000], , [BHU 2001], , OH, , OH, Br, (a), , (b), , [DPMT 2000], , [RPMT 1999], , OH, Br, , Br, , Br, , (c), , (d) Mixture of (a) and (b), , Br, 72., , [MP PET 1999], , Which is obtained on treating phenol, with dilute HNO 3, [BVP 2003], , OH, , OH, (a), , [MP PMT 1995], , NO 2, , (b), NO 2, , OH, (c), , 73., , 74., , O2 N, , NO 2, , (d) None of these, , (a) CH 3 3 COH, (b) (CH 3 )2 CHOH, Primary alcoholsNO, on2dehydration give, [NCERT 1986], (c) CH 3 (CH 2 )2 OH, (d) CH 3 CH 2 OH, (a) Alkenes, (b) Alkanes, 87., Which of the following reagents convert the propene to 1-propanol [CBSE PMT 2, (c) Both (a) and (b), (d) None of these, Primary and secondary alcohols on action of reduced copper give[CPMT 1982; MP PMT, (a) 1985;, H 2 O, H 2 SO 4, EAMCET 1987, 93; MP PET 1995], , (a) Aldehydes and ketones respectively, , (b) Aqueous KOH
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Alcohol, Phenol and Ethers, (c), , MgSO4 , NaBH 4 / H 2 O, , (d), , B2 H 6 , H 2 O2 , OH , , 100., , 88., , Compound ‘A’ reacts with PCl5 to give ‘B’ which on treatment, , 89., , with KCN followed by hydrolysis gave propanoic acid as the, product. What is ‘A’, [CBSE PMT 2002], (a) Ethane, (b) Propane, (c) Ethyl chloride, (d) Ethyl alcohol, Which reagent can convert acetic acid into ethanol, , 90., , 91., , 92., , Na alcohol, , (b), , LiAlH4 ether, , (c), , H 2 Pt, , (d), , Sn HCl, , NaOH, , (b), , NaHCO 3, , (c), , Na 2 CO 3, , (d), , H 2 SO 4, , 94., , CH 3 CHO, , (d) CH 3 CH (OH )CH 3, , 102., , [MP PMT/PET 1988; BHU 1988; MP PMT 1999; Pb. PMT 2000], , 104., , (a) p- position, (b) m- position, (c) o- position, (d) o- and p- position, Liebermann's test is answered by, [KCET 1998], (a) Aniline, (b) Methylamine, (c) Ethyl benzoate, (d) Phenol, In the sequence of the following reactions, [MP PMT 2002], , (b) Salicylic acid, (d) Picric acid, [MP PMT 1990; UPSEAT 1999], , (b) Stronger than carbonic acid, (c) Weaker than carbonic acid, (d) A neutral compound, Phenol at 25 o C is, (a) A white crystalline solid, (b) A transparent liquid, (c) A gas, (d) Yellow solution, At low temperature phenol reacts with Br2 in CS 2 to form, [MP PET 1991; CPMT 1981; MP PMT 1990;, IIT 1982; RPMT 2000], , 105., , 106., , (a) m-bromophenol, (b) o-and p-bromophenol, (c) p-bromophenol, (d) 2, 4, 6-tribromophenol, Oxidation of ethanol by chromic acid forms, [MP PET 1992], (a) Ethanol, (b) Methanol, (c) 2-propanone, (d) Ethanoic acid, Which of the following not gives effervescence with NaHCO 3 [MP PET 1992], (a) Phenol, (c) 2, 4-dinitrophenol, , ChromicAcid, , 107., , X is, , (b) Benzoic acid, (d) 2, 4, 6-trinitrophenol, , Conc. H 2 SO 4 reacts with C 2 H 5 OH at 170 o C to form, [MP PMT 1991; MP PET 1991; IIT-JEE 1981;, EAMCET 1979; KCET 2001], , (a), , CH 3 COCH 3, , (b), , CH 3 CHO, , (c), , CH 3 OCH 3, , (d), , CH 3 CH 2 COOH, , (a) CH 3 COCH 3, (b) CH 3 COOH, The boiling point of glycerol is more than propanol because of[CPMT 1997, 2002] (c) CH CHO, (d) C 2 H 4, 3, (a) Hydrogen bonding, (b) Hybridisation, 108. Which compound has hydrogen bonding, (c) Resonance, (d) All the above, [MP PMT 1992; MP PET 1991], Which of the following produces violet colour with FeCl 3 solution, (a) Enols, (c) Ethanal, , 97., , (c), , Electrophilic substitution reaction in phenol take place at, , ChromicAcid, , 96., , (b) CH 3 CO CH 3, , (a) Benzoic acid, (c) o-and p-nitrophenol, Phenol is, (a) A weaker base than NH 3, , [O], [O ], X , CH 3 COOH, CH 3 CH 2 OH , , 95., , CH 3 OH, , The reaction of conc. HNO 3 and phenol forms, , [RPMT 2002], , 93., , (a), , 101., , Which of the following would undergo dehydration most readily [UPSEAT 2000], (a) 1-phenyl-1butanol, (b) 2-phenyl-2-butanol, (c) 1-phenyl-2-butanol, (d) 2-phenyl-1-butanol, 103., Phenol and benzoic acid is distinguished by, [BHU 2003], (a), , An organic compound X on treatment with acidified K 2 Cr2 O7, gives a compound Y which reacts with I 2 and sodium carbonate to, form tri-odomethane. The compound X is, [KCET 1996], , [BVP 2003], , (a), , 1225, , (b) Ethanol, (d) Alkyl halides, , 109., , (a), , When heated with NH 3 under pressure alone or in presence of, zinc chloride phenols are converted into, , (c), , (b) Aniline, (d) Phenyl hydroxylamine, , 98., , Because of resonance the oxygen atom of OH group of phenol, (a) Acquires positive charge, (b) Acquires negative charge, (c) Remains uneffected, (d) Liberates, , 99., , When glycerol is heated with KHSO 4 it gives, [CPMT 1974, 85; MP PMT 1988, 90, 91, 92, 94;, MP PET 1988, 92], , (a), , CH 2 CH CH 3, , (b), , CH 2 CH CH 2 OH, , (c), , CH 2 CH CHO, , (d), , CH 2 C CH 2, , (b) Phenol, (d) Nitrobenzene, [MP PMT 1991], , C 6 H 5 OH is more acidic than C 2 H 5 OH, , (b) C 6 H 5 OH is less acidic than C2 H 5 OH, , [RPMT 1997], , (a) Aminophenols, (c) Nitrobenzene, , (a) Toluene, (c) Chlorobenzene, Which statement is true, , C 6 H 5 OH react with NaHCO 3, , (d) C 6 H 5 OH gives oxime with NH 2 OH and HCl, 110., , Read the following statements carefully :, (A) A secondary alcohol on oxidation gives a ketone, (B) Ethanol reacts with conc. H 2 SO 4 at 180 o C to yield, ethylene, (C) Methanol reacts with iodine and sodium hydroxide to give a, yellow precipitate of iodoform, (D) Hydrogen gas is liberated when sodium is added to alcohol., Select the correct statements from the above set:, (a) A, B, (b) C, D, (c) A, B, D, (d) A, C, D
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1226 Alcohol, Phenol and Ethers, 111., , The following reaction :, , (a) Salol, (c) Oil of wintergreen, , OH, , OH, Anhydrous, HCl HCN , , , , 120., , ZnCl 2, , CHO, , is known as, , [MP PET 1997], , (a) Perkin reaction, (b) Gattermann reaction, , 112., , (c) Kolbe reaction, (d) Gattermann-Koch reaction, Carbylamine test is done by heating alcoholic KOH with, [IIT-JEE 1984; BIT 1992; CBSE PMT 1992], , (a), (b), (c), (d), 113., , 114., , 115., , Chloroform and silver powder, Trihalogen methane and primary amine, Alkyl halide and primary amine, Alkyl cyanide and primary amine, , 121., , 123., , HNO 3, reduction, CH 3 CN , X , , Y, , X and Y are respectively, , [MP PMT 2002], , (a), , CH 3 CH 2 NH 2 and CH 3 CH 2 OH, , (b), , CH 3 CH 2 NH 2 and CH 3 COOH, , (c), , CH 3 CH 2 OH and CH 3 CHO, , (d), , CH 3 OCH 3 and CH 3 CHO, , Alcohols (i) CH 3 CH 2 CH 2 OH, (ii) CH 3 CHOH CH 3, , 124., , 125., , reagent (Conc. HCl ZnCl 2 ). What results do you expect at, room temperature, (a) (ii) and (iii) react immediately and (i) in about 5 minutes, (b) (iii) reacts immediately, (ii) reacts in about 5 minutes and (i), not at all, (c) (i) reacts immediately, (ii) reacts in about 5 minutes and (iii), not at all, (d) (i) reacts in about 5 minutes, (ii) reacts in about 15 minutes, and (iii) not at all, Ethylene may be obtained by dehydration of which of the following, with concentrated H 2 SO 4 at 160 – 170°C, [DPMT 2000; MP PET 2001], , (a), (c), 118., , C 2 H 5 OH, CH 3 CH 2 CH 2 OH, , (b), , 126., , 127., , 128., , CH 3 OH, , (a) Phosphorus pentachloride, (b) Calcium chloride, (c) Aluminium oxide, (d) Sodium chloride, Which one of the following compounds gives a positive iodoform, test, [MP PMT 1997], (a) Pentanal, (b) 1-phenyl ethanol, (c) 2-phenyl ethanol, (d) 3-pentanol, What amount of bromine will be required to convert 2 g of phenol, into 2, 4, 6-tribromophenol, [MP PET/PMT 1998], (a) 4.00, (b) 6.00, (c) 10.22, (d) 20.44, Ethyl alcohol exhibits acidic character on reacting with, [MP PMT 1995], , (d) (CH 3 )2 CHCH 2 OH, , The final product of the oxidation of ethyl alcohol is, [KCET (Med.) 1999 ], , 119., , With oxalic acid, glycerol at 260 o C gives, [BHU 1996], (a) Allyl alcohol, (b) Glyceryl mono-oxalate, (c) Formic acid, (d) Glyceraldehyde, Absolute alcohol cannot be prepared by fractional distillation of, rectified spirit since, (a) It forms azeotropic mixture, (b) It is used as power alcohol, (c) It is used in wines, (d) None of the above, The reagent used for the dehydration of an alcohol is, [MP PET/PMT 1998], , and (iii) CH 3 C(CH 3 )(OH ) CH 3 were treated with Lucas, , 117., , When phenol is allowed to react with Br2 in (i) CS 2 solution and, (ii) in aqueous solution, the resulting compounds are, (a) (i) 2, 4, 6-tribromophenol and, (ii) o-and p-bromophenol, (b) (i) m-bromophenol and, (ii) 2, 3, 4-tribromophenol, (c) (i) o-and p-bromophenol and, (ii) 2, 4, 6-tribromophenol, (d) (i) o- and m-bromophenol and, (ii) 2, 3, 4-tribromophenol, Which of the following is not true in case of reaction with heated, , copper at 300 o C, [CPMT 1999], (a) Phenol Benzyl alcohol, (b) 1986,, Primary, alcohol, Aldehyde, 2000], Isopropyl alcohol heated at 300 o C with copper catalyst to form[AFMC 1990; MP PMT, 89, 92;, JIPMER, (a) Acetone, (b) Dimethyl ether, (c) Secondary alcohol Ketone, (c) Acetaldehyde, (d) Ethane, (d) Tertiary alcohol Olefin, Dehydrogenation of CH 3 CH CH 3 gives, 122. Which of the following is the most suitable method for removing the, |, traces of water from ethanol, [CPMT 1999], OH, (a) Heating with Na metal, [MP PMT 2002], (b) Passing dry HCl through it, (a) Acetone, (b) Acetaldehyde, (c) Distilling it, (c) Acetic acid, (d) Acetylene, (d) Reacting with Mg, In the sequence of the following reactions, HI, KCN, CH 3 OH , CH 3 I , , , 116., , (b) Aspirin, (d) o-chlorobenzoyl chloride, , (a) Ethane, (b) Acetone, (c) Acetaldehyde, (d) Acetic acid, The compound obtained by heating salicylic acid with phenol in the, presence of phosphorus oxychloride is, [KCET (Med.) 1999], , 129., , (a) Acetic acid, (b) Sodium metal, (c) Hydrogen iodide, (d) Acidic potassium dichromate, The mixture of ethanol and water cannot be separated by distillation, because, [KCET 1984], (a) They form a constant boiling mixture, (b) Alcohol molecules are solvated
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Alcohol, Phenol and Ethers, , 130., , 131., , (c) Their boiling points are very near, (d) Alcohol remains dissolved in water, The reaction between an alcohol and an acid with the elimination of, water molecule is called, [MH CET 1999], (a) Esterification, (b) Saponification, (c) Etherification, (d) Elimination, The compound with the highest boiling point is, , 142., , 143., , [MNR 1985], , 132., , (a), , CH 4, , (b), , CH 3 OH, , (c), , CH 3 Cl, , (d), , CH 3 Br, , 144., , 145., [AIIMS 1980], , 134., , 135., , 136., , (a) They are lighter than water, (b) Their boiling points rise fairly uniformly with increasing, molecular weight, (c) Lower members are insoluble in water and organic solvents but, solubility regularly increases with molecular weight, (d) Lower members have pleasant smell and burning taste, while, higher members are odourless and tasteless, At room temperature the alcohol that do not reacts with Lucas, reagent is, (a) Primary alcohol, (b) Secondary alcohol, (c) Tertiary alcohol, (d) All these three, By means of calcium chloride which of following can be dried, (a) Methanol, (b) Ethanol, (c) Both (a) and (b), (d) None of these, Lucas test is used to distinguish between, [MP PET 1994], (a), , 137., , 138., , When ethyl alcohol (C 2 H 5 OH ) is mixed with ammonia and, passed over heated alumina, the compound formed is, [DPMT 1981; CBSE PMT 1989], , [Pb. CET 1985], , 133., , (a) Glucose, (b) Invert sugar, (c) Fructose, (d) All of these, The order of melting point of ortho, para, meta-nitrophenol is[Orissa JEE 2003], (a) o > m > p, (b) p > m > o, (c) m > p > o, (d) p > o > m, The alcohol which does not give a stable compound on dehydration, is, [MP PET 1997], (a) Ethyl alcohol, (b) Methyl alcohol, (c) n-propyl alcohol, (d) n-butyl alcohol, , The boiling point of ethyl alcohol should be less than that of, (a) Propane, (b) Formic acid, (c) Dimethyl ether, (d) None of these, Which of the following is not characteristic of alcohols, , 1 o , 2 o and 3 o alcohols, , 146., , Conc. HNO 3, , NaOH, , C 2 H 5 NH 2, , (b) C 2 H 4, , (c), , C 2 H 5 OC 2 H 5, , (d) CH 3 OCH 3, , A mixture of methanol vapours and air is passed over heated copper., The products are, [KCET 1988], (a) Carbon monoxide and hydrogen, (b) Formaldehyde and water vapour, (c) Formic acid and water vapour, (d) Carbon monoxide and water vapour, In the esterification reaction of alcohols, [Bihar CEE 1995], OH is replaced by CH 3 COO group, , (b) OH is replaced by chlorine, (c), , H is replaced by sodium metal, , (d) OH is replaced by C2 H 5 OH, 147., , A compound A on oxidation gave acetaldehyde, then again on, oxidation gave acid. After first oxidation it was reacted with, ammoniacal AgNO 3 then silver mirror was produced. A is likely to, be, [DPMT 1996], (a) Primary alcohol, (b) Tertiary alcohol, (c) Acetaldehyde, (d) Acetone, , 148., , CHCl 3 /NaOH, , , Salicyldehyde, Phenol , , H, , Conc. H 2 SO 4, Zn, Zn, Phenol , A , , B , C, Distillation, , (a), , (a), , (b) 1 o , 2 o and 3 o amines, , (c) Aldehydes and ketones, (d) Alkenes and alkynes, Among the following, the compound that undergoes nitration readily, is, [NCERT 1984], (a) Benzoic acid, (b) Toluene, (c) Phenol, (d) Nitrobenzene, , 149., , The above reaction is known as, [Pb. PMT 2002], (a) Riemer Tiemann reaction, (b) Bucherer reaction, (c) Gattermann synthesis, (d) Perkin reaction, Alcohol which gives red colour with Victor Meyer test is, , In the above reaction A, B and C are the following compounds, (a), , C 6 H 6 , C 6 H 5 NO 2 and aniline, , (b), , C 6 H 6 , dinitrobenzene and metanitroaniline, , [MP PMT/PET 1988], , (a), , 139., , C 6 H 6 , C 6 H 5 NO 2 and hydrazobenzene, , (c), 150., , CH 3 O C 3 H 7 and C 2 H 5 O C 2 H 5, , exhibit which type of isomerism, [MP PMT 1989], (a) Metamerism, (b) Position, (c) Chain, (d) Functional, 140., , 141., , Phenol reacts with CCl 4 in presence of aqueous alkali and forms a, product which on hydrolysis gives, [MP PMT 1990], (a) Salicylaldehyde, (b) Salicylic acid, (c) Benzaldehyde, (d) Benzoic acid, In fermentation by zymase, alcohol and CO 2 are obtained from the, following sugar, [MP PMT/PET 1988], , [RPMT 2003], , C 2 H 5 OH, , (b) CH 3 CH CH 3, , C(CH 3 )3 OH, , OH, (d) None of these, , |, , (c) Toluene, metanitrobenzene and metatoluedine, (d), , 1227, , Conc. H 2 SO 4 heated with excess of C 2 H 5 OH at 140 o C to, form, [MP PMT 1990; RPMT 2000; AFMC 2002], (a) CH 3 CH 2 O CH 3, (b) CH 3 CH 2 O CH 2 CH 3, (c), , 151., , 152., , CH 3 O CH 2 CH 2 CH 3, , (d) CH 2 CH 2, Rate of substitution reaction in phenol is, [MP PMT 1989], (a) Slower than the rate of benzene, (b) Faster than the rate of benzene, (c) Equal to the rate of benzene, (d) None of these, Phenol reacts with dilute HNO 3 at normal temperature to form[MP PMT 1989, , HO, ON, , HO, NO, , 2, , 2, , HO, NO, , 2, , +, , NO, , 2, , NO, , 2
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1228 Alcohol, Phenol and Ethers, , (a), , 161., , (b), , [CPMT 1986; Manipal MEE 1995], , OH, , 162., , HO, , (c), , NO, , (d), , 2, , NO, , 2, , 153., , One mole of phenol reacts with bromine to form tribromophenol., How much bromine is used, , 163., , [MP PMT 1989], , 154., , 155., , (a) 1. 5 mol, (b) 3 mol, (c) 4.5 mol, (d) 6 mol, In presence of NaOH, phenol react with CHCl 3 to form o-hydroxy, benzaldehyde. This reaction is called, , 164., , [BIT 1992; MP PMT 1990, 2002;, AIIMS 1992; MP PET 1994; JIPMER 1999], , 165., , (a) Riemer-Tiemann's reaction, (b) Sandmeyer's reaction, (c) Hoffmann's degradation reaction, (d) Gattermann's aldehyde synthesis, Which of the following vapours passed over heated copper to form, acetone, [BIT 1992], (a) H 3 C CH 2 CH 2 OH, , 166., , 156., , 157., , 167., , C OH, , (d) CH 2 CH CH 2 OH, Methyl alcohol (methanol), ethyl alcohol (ethanol) and acetone, (propanone) were treated with iodine and sodium hydroxide solutions., Which substances will give iodoform test, (a) Only ethyl alcohol, (b) Only methyl alcohol and ethyl alcohol, (c) Only ethyl alcohol and acetone, (d) Only acetone, TNT has the structure, [UPSEAT 2000], , CH, , 168., , ON, , CH 3, |, , (b) CH 3 C OH, |, , CH 3, (c), , (b), , NO, , NO, , 2, , 2, , NO, CH, , NO, OH, , 2, , 2, , CH 3 CH 2 CH 2 CH 2OH, , CH 3, |, (d) CH 3 CH CH 2 CH 3, , 2, , (a), , (a) Covalent character, (b) Hydrogen bonding character, (c) Oxygen bonding character, (d) None of these, By distilling glycol with fuming sulphuric acid, which of following is, obtained, (a) Glycerol, (b) Pinacol, (c) Dioxan, (d) Ethylene oxide, The compound which gives the most stable carbonium ion on, dehydration is, [DCE 2000], (a) CH 3 CH CH 2 OH, |, , ON, , 2, , (c) C 6 H 5 OC 6 H 5, (d) C 6 H 5 C 6 H 5, Methanol and ethanol are miscible in water due to, , CH 3, , OH, , 3, , (b) C 6 H 12, , C6 H 6, , [MP PET/PMT 1988; CPMT 1989; CBSE PMT 1991], , |, , CH 3, CH 3, CH 3, , Picric acid is (at 25 o C ), (a) A white solid, (b) A colourless liquid, (c) A gas, (d) A bright yellow solid, Phenol on distillation with zinc dust gives, , (a), , OH, , (c), , (a) Branched isomer, (b) Position isomer, (c) Functional isomer, (d) Tautomer, The process of manufacture of absolute alcohol from rectified spirit, is, [CPMT 1986, 87; Kurukshetra CEE 2002], (a) Fractional distillation, (b) Steam distillation, (c) Azeotropic distillation, (d) Vacuum distillation, When ethyl alcohol reacts with acetic acid, the products formed are[CPMT 1989, (a) Sodium ethoxide + hydrogen, (b) Ethyl acetate + water, (c) Ethyl acetate + soap, (d) Ethyl alcohol + water, , [MP PET 1991; CPMT 1997; MP PMT 1999, 2001;, Pb. PMT 2000], , CH 3 CH CH 3, , (b), , (a) Formic acid, (b) Oxalic acid, (c) Allyl alcohol, (d) Glycerol trioxalate, Dimethyl ether and ethyl alcohol are, , 169., , In CH 3 CH 2 OH which bond dissociates heterolytically, , 170., , (a) C – C, (b) C – O, (c) C – H, (d) O – H, Which compound is soluble in water, , [IIT-JEE 1988; CPMT 1996], , 3, , NO, , (c), , 2, , ON, 2, , 158., , (d), , ON, , NO, , 2, , 2, , NO, , 2, , NO is, The vapour pressure of aqueous solution of methanal, 2, , [UPSEAT 2000], , 159., , 160., , [IIT-JEE 1980; CPMT 1993; RPET 1999], , (a), , CS 2, , (b) C 2 H 5 OH, , (c) CCl 4, (d) CHCl 3, (a) Equal to water, (b) Equal to methanal, (c) More than water, (d) Less than water, 171., Which of the following is most soluble in water, Glycerol reacts with conc. HNO 3 and conc. H 2 SO 4 to form[CPMT 1983; MP PMT/PET 1988], [MP PMT 1995], (a) Normal butyl alcohol, (b) Isobutyl alcohol, (a) Glycerol mononitrate, (b) Glycerol dinitrate, (c) Glycerol trinitrate, (d) Acrolein, (c) Tertiary butyl alcohol, (d) Secondary butyl alcohol, o, 172., Which, of, the, following, gives, negative, iodoform test, Glycerol heated with oxalic acid at 110 C to form, [CPMT 1986, 90, 91, 97; JIPMER 1997], , (a), , CH 3 CH 2 OH, , (b) CH 3 CH 2 CH 2 OH
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Alcohol, Phenol and Ethers, (c), , C6 H 5 CH CH 3, , (d), , CH 3 CH CH 3, , |, , 173., , 174., , 175., , 176., , 177., , 178., , 186., , Which of the following is most acidic, (a) Phenol, (b) Benzyl alcohol, (c) m-chlorophenol, (d) Cyclohexanol, , 187., , Number of metamers represented by molecular formula C4 H10 O, is, [Tamil Nadu CET 2001], (a) 4, (b) 3, (c) 2, (d) 1, When ether is exposed in air for sometime an explosive substance, produced is, [RPMT 2002], (a) Peroxide, (b) TNT, (c) Oxide, (d) Superoxide, Ether which is liquid at room temperature is, [BVP 2002], (a) C 2 H 5 OCH 3, (b) CH 3 OCH 3, , |, , OH, OH, If ethanol dissolves in water, then which of the following would be, done, [MP PET 1989], (a) Absorption of heat and contraction in volume, (b) Emission of heat and contraction in volume, (c) Absorption of heat and increase in volume, (d) Emission of heat and increase in volume, A migration of hydrogen with a pair of electrons is called, (a) Alkyl shift, (b) Hydride shift, (c) Hydrogen ion formation, (d) Dehydrogenation, When rectified spirit and benzene are distilled together, the first, fraction obtained is, (a) A ternary azeotrope, (b) Absolute alcohol, (c) A binary azeotrope, (d) Denatured spirit, Alcohols react with Grignard reagent to form, [DPMT 1986], (a) Alkanes, (b) Alkenes, (c) Alkynes, (d) All of these, Action of diazomethane on phenol liberates, , (a), , O2, , (b), , H2, , (c), , N2, , (d), , CO 2, , 179., , The ring deuteration of phenol, (a) Lowers the acidity, (b) Increases the acidity, (c) Imparts no effect, (d) Causes amphoteric nature, In esterification of an acid, the other reagent is, , 180., , (a) Aldehyde, (b) Alcohol, (c) Amine, (d) Water, Maximum solubility of alcohol in water is due to, , 188., , 189., , (c), 190., , 191., , 192., , 193., , (b) Ionic bond, , (c) H-bond with H 2 O, , (d) None of the above, , Alcohols can be distinguished from alkenes by, , 194., , (c) Excess of C 2 H 5 OH and 180 o C, , At 25 o C Ethylene glycol is a, (a) Solid compound, (b) Liquid, (c) Gas, (d) Brown solid, When primary alcohol is oxidised with chlorine, it produces, , (d) Excess of conc. H 2 SO 4 and 100 o C, 195., , 184., , 185., , (c), , CCl 3 CHO, , (d), , C 3 H 7 CHO, , (c) Isopropyl alcohol, , (b), , CH, , 2, , [IIT-JEE 1999], , (b), CH 2 I, , (c), 196., , [CPMT 1993, 99], , CH 3 CHO, , O, , (a), , Alcohols combine with acetylene in the presence of mercury, compounds as catalyst to form, (a) Acetals, (b) Xanthates, (c) Vinyl ethers, (d) None of the above, The compound which will give negative iodoform test is, (a), , The ether, , when treated with HI produces, , [AFMC 1999], , CH 3 CHO, , On boiling with concentrated hydrobromic acid, phenyl ethyl ether, will yield, [AIIMS 1992], (a) Phenol and ethyl bromide, (b) Phenol and ethane, (c) Bromobenzene and ethanol, (d) Bromobenzene and ethane, Ether is formed when ethyl alcohol is heated with conc. H 2 SO 4 ., The conditions are, [KCET 1984], , (b) Excess of C 2 H 5 OH and 140 o C, , (c) Oxidizing with neutral permanganate solution, (d) None of the above, , (b), , (b) NaOH, (d) KMnO4, , (a) Excess of H 2 SO 4 and 170 o C, , (b) Decolourizing with bromine in CCl 4, , HCHO, , [DPMT 1984], , [CPMT 1980, 81, 89], , (a) Covalent bond, , (a), , (a) Ethane, (b) Ethylene, (c) Butane, (d) Propane, Diethyl ether absorbs oxygen to form, (a) Red coloured sweet smelling compound, (b) Acetic acid, (c) Ether suboxide, (d) Ether peroxide, Diethyl ether can be decomposed by heating with, (a) HI, (c) Water, , (a) Dissolving in cold concentrated H 2 SO 4, , 183., , (d) None of these, , C2 H 5 OC2 H 5, , In the following reaction, [MP PMT 2002], , [MP PMT/ PET 1988; MP PMT 1989], , 182., , [CPMT 1999], , Red P HI, C2 H 5 OC2 H 5 4[H ] , , 2 X H 2 O, X is, , [CPMT 1988], , 181., , 1229, , CH 3 CH 2 OH, , (d) Benzyl alcohol, , 197., , I, , CH 2OH, , (d), , OH, , Addition of alcohols to aldehydes in presence of anhydrous acids, yield, [CET Pune 1998], (a) Carboxylic acids, (b) Ethers, (c) Cyclic ethers, (d) Acetals, In which of the following reaction, phenol or sodium phenoxide is, not formed, [CPMT 1996]
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1230 Alcohol, Phenol and Ethers, , 198., , (a), , C 6 H 5 N 2 Cl alco. KOH , , (c), , (b), , C 6 H 5 OCl NaOH , , (d) CH 3 CH 2 O CH 2 CH 3, , (c), , C 6 H 5 N 2 Cl aq. NaOH , , (d), , C6 H 5 NNCl 2, , 208., , Ethylene glycol reacts with excess of PCl5 to give, , 209., , (a) 1, 1-dichloroethane, (b) 1, 2-dicholoroethane, (c) 1, 1, 1-trichloroethane, (d) 1, 1, 2, 2-tetrachloroethane, (e) 2, 2-dichloroethane, Which of the following will not react with NaOH, , [Kerala PMT 2004], , H O, , , Dimethyl ether when heated with excess HI gives, [CPMT 1996], , 199., , 200., , 201., , (a), , CH 3 I and CH 3 OH, , (b), , CH 3 I and H 2 O, , (c), , C 2 H 6 CH 3 I and CH 3 OH, , (d) CH 3 I and HCHO, The ether that undergoes electrophilic substitution reactions is[JIPMER 2001], (a) CH 3 OC 2 H 5, (b) C6 H 5 OCH 3, (c) CH 3 OCH 3, (d) C2 H 5 OC2 H 5, Acetyl chloride does not react with, (a) Diethyl ether, (b) Aniline, (c) Phenol, (d) Ethanol, The products formed in the following reaction, , [MNR 1995], , heat, C 6 H 5 O CH 3 HI , are, , 202., , (a), , C 6 H 5 I and CH 3 OH, , (b), , C 6 H 5 OH and CH 3 I, , (c), , C 6 H 5 CH 3 and HOI, , (d), , C 6 H 6 and CH 3 OI, , 210., , [IIT 1995], , 204., , 205., , (a) Peroxide, (b) Acid, (c) Ketone, (d) TNT, The compound which does not react with sodium is, , O2 N, , NO 2, , NO 2, CH 3 CONH 2, , [CBSE PMT 2004], , (b) CH 3 CH 2 OH, , (b), , CH 3 O CH 3, , (c), , (c), , CH 3 COOH, , (d), , CH 3 CHOH CH 3, , (d) CH 3 CH 2 CH (OH )CH 3, , Methyl-terbutyl ether on heating with HI of one molar concentration, gives, [MP PET 1997], (a) CH 3 I (CH 3 )3 COH, (b) CH 3 OH (CH 3 )3 Cl, , CH 3 CH (OH )CH 2 CH 3, , 213., , CH 3 CH (OH )CH 3, , In Friedal-Crafts acylation, besides AlCl3 , the other reactants are[DPMT 2004], , OH, (a), , (d) None of the above, , A substance C4 H10 O yields on oxidation a compound C4 H 8 O, which gives an oxime and a positive iodoform test. The original, substance on treatment with conc. H 2 SO 4 gives C 4 H 8 . The, structure of the compound is, [SCRA 2000], (a) CH 3 CH 2 CH 2 CH 2 OH, (b), , (d) CH (CN )3, , CH 3 OH, , C 2 H 5 OH, , CH 3 I (CH 3 )3 Cl, , (b) C 2 H 5 OH, , The boiling point of methanol is greater than that of methyl thiol, because, [Kerala PMT 2004], (a) There is intramolecular hydrogen bonding in methanol and, intermolecular hydrogen bonding in methyl thiol, (b) There is intermolecular hydrogen bonding in methanol and no, hydrogen bonding in methyl thiol, (c) There is no hydrogen bonding in methanol and intermolecular, hydrogen bonding in methyl thiol, (d) There is intramolecular hydrogen bonding in methanol and no, hydrogen bonding in methyl thiol, (e) There is no hydrogen bonding in methanol and intramolecular, hydrogen bonding in methyl thiol, CH 2OH, |, COOH 110 C, , ( A) product (A) will, In the reaction CHOH |, |, COOH, CH 2OH, be, [Pb . CET 2001], (a) Glycerol monoformate, (b) Allyl alcohol, (c) Formaldehyde, (d) Acetic acid, Which of the following will not form a yellow precipitate on heating, with an alkaline solution of iodine, , (a), , (c), 207., , (a), , (a), [CBSE PMT 1994], , 206., , [CPMT 2004], , OH, , (c), , Etherates are, (a) Ethers, (b) Solution in ether, (c) Complexes of ethers with Lewis acid, 211., (d) Complexes of ethers with Lewis base, An ether is more volatile than an alcohol having the same molecular, formula. This is due to, [AIEEE 2003], (a) Dipolar character of ethers, (b) Alcohols having resonance structures, (c) Inter-molecular hydrogen bonding in ethers, (d) Inter-molecular hydrogen bonding in alcohols, When ether is reacted with O 2 , it undergoes explosion due to[CPMT 1996]212., , 203., , (CH 3 )3 COH, , OH, , CH 3 Cl, , (b), , CH 3 COCl, , HN 3, , (d), , CH 3 Cl, , OH, (c), 214., , Which of the following reagents will produce salicyldehyde on, reaction with phenol, [DPMT 2004], (a), , CHCl 3 / NaOH, , (b) CCl 4 / NaOH
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Alcohol, Phenol and Ethers, (c), 215., , CH 2Cl2 / NaOH, , (d), , CH 3 Cl / NaOH, , 228., , At 530 K, glycerol reacts with oxalic acid to produce, [Pb. CET 2002], , 216., , (a) Allyl alcohol, (b) Formic acid, (c) Glyceraldehyde, (d) Glycerol monooxalate, With anhydrous zinc chloride, ethylene glycol gives, , 229., , (a) Formaldehyde, (c) Acetaldehyde, 217., , Which of the following can work as a dehydrating agent for alcohols[BHU 1980], (a), , H 2 SO 4, , (b), , (c), , H 3 PO4, , (d) All of these, , (b) Acetylene, (d) Acetone, , ||, , (b), , C HI, |, , |, , CH 2 I, , CH 3, , CH 2OH, |, , (d), , CH 2, |, , 218., , (a), , CH 3 OH, , (b), , CH 3 CH 2CH 2OH, , (c), , C 2 H 5 OC 2 H 5, , (d), , CH 3 CH 2OH, , 220., , 221., , (c) Activated charcoal, 222., , (d), , The dehydration of 2-methyl butanol with conc. H 2 SO 4 gives[UPSEAT 2004], , 231., , (a) 2-methyl butene as major product, (b) Pentene, (c) 2-methyl but-2-ene as major product, (d) 2-methyl pent-2-ene, Which alcohol reacts with fatty acids to form fats, [MP PMT/PET 1988; MP PET 1991], , 232., , 233., , 224., , 225., , 226., , (b) Glycerol, (d) Isopropanol, [Roorkee 1995], , (b) Ethyl alcohol, (d) 2-methyl butanol-2, Al O, , Cu, 3 B. A and B respectively are, A , , CH 3 CH 2 OH 2, , , , , , (a), , CH 3 C OC2 H 5, , (b), , C2 H 6, , (a) Alkene, alkanal, (b) Alkyne, alkanal, (c) Alkanal, alkene, (d) Alkene, alkyne, Which one of the following reactions would produce secondary, alcohol, [MP PET 1994], O, , (c), , C2 H 4, , (d), , C2 H 2, , (a), , MnO2, , Ethyl alcohol is heated with conc. H 2 SO 4 . The product formed is[DCE 2004], 234., O, , ||, , Dehydration of 2-butanol yield, [Pb. CET 2004], (a) 1-butene, (b) 2-butene, (c) 2-butyne, (d) Both (a) and (b), Fats, on alkaline hydrolysis, gives, [MH CET 2003], (a) Oils, (b) Soaps, (c) Detergents, (d) Glycol + acid, When vapours of an alcohol are passed over hot reduced copper,, alcohol is converted into alkene quickly, the alcohol is [CPMT 1985], (a) Primary, (b) Secondary, (c) Tertiary, (d) None of these, The adduct of the compound 'A' obtained by the reaction with, excess of isopropyl magnesium iodide, upon hydrolysis gives a, tertiary alcohol. The compound 'A' is, [MP PET 1985], , (a) An ester, (c) A primary alcohol, 227., , (a) Ethanol, (c) Methanol, Which will dehydrate easily, (a) 3-methyl-2-butanol, (c) 2-methyl propane-2-ol, , [RPMT/PET 2000], , ||, , 223., , CH 3, , 230., , [IIT-JEE 1986; JIPMER 2000; DCE 2003], , 219., , CO, |, , CH 3, , Amongst the following, HBr reacts fastest with, (a) Propane-1-ol, (b) Propane-2-ol, (c) 2-methyl propane-1-ol, (d) 2-methyl propane-2-ol, Which of the following react with benzoic acid to form ethyl, benzoate, [Pb. CET 2001], (a) Ethyl alcohol, (b) Cinnamic acid, (c) Sodium ethoxide, (d) Ethyl chloride, When phenyl magnesium bromide reacts with t-butanol, the product, would be, (a) Benzene, (b) Phenol, (c) t-butyl benzene, (d) t-butyl ether, Which of the following is used as catalyst for preparing Grignard, reagent, [Pb. CET 2002], (a) Iron powder, (b) Dry ether, , CH, , CH 2OH, |, , (c), , [DCE 2002], , CH 2, , |, , (a), , Which of the following compound give yellow precipitate with I2, and NaOH, [Pb. CET 2003], , Al2 O 3, , What is formed when glycerol reacts with HI, , CH 2OH, , [MP PMT 2004], , 1231, , (a), , CH 3 OH, , (b), , (c), , CH 3 COOH, , (d) HCHO, , 1 .CH MgBr, 2. H , , O, ||, , 4, , (b) C6 H 5 CCH 3 , , 1 . LiAlH, 2. H , , (c), , CH 3 CHO , 1 . LiAlH4, 2. H , , O, ||, , , , 1 .OH, , , (d) CH 3 CCH 3 , 2 . Br2, , 235., , On reaction with hot conc. H 2 SO 4 , which one of the following, compounds loses a molecule of water, [CPMT 1989], , (a), 236., , (b) A secondary alcohol, (d) An aldehyde, , If there be a compound of the formula CH 3 C(OH )3 which one of, the following compounds would be obtained from it without, reaction with any reagent, [CPMT 1983], , C6 H 5 CCH 3 3 , , (b) CH 3 COOH, , CH 3 COCH 3, , (c) CH 3 OCH 3, (d) CH 3 CH 2 OH, The best method to prepare cyclohexene from cyclohexanol is by, using, [IIT 2005], (a) Conc. HCl + ZnCl, (b) Conc. H PO, (c) HBr, (d) Conc. HCl, Which of the following compound is most acidic, 2, , 237., , 3, , 4, , [BCECE 2005], , C2 H 5 OH, , 238., , (a), , CH 4, , (b) C 2 H 6, , (c), , CH CH, , (d) C 2 H 5 OH, , C 2 H 5 OH can be differentiated from CH 3 OH by
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1232 Alcohol, Phenol and Ethers, [MP PMT 1994], , 239., , 240., , (a) Reaction with HCl, (b) Reaction with NH 3, (c) By iodoform test, (d) By solubility in water, A compound does not react with 2.4 di-nitrophenyl hydrazine and, Na , compound is, [UPSEAT 2003], (a) Acetone, (b) Acetaldehyde, (c) CH 3 OH, (d) CH 2 CHOCH 3, Which of the following reaction is correctly represented, , 2., , 3., , Glycerol as a triester present in, (a) Petroleum, (b), (c) Vegetable oil and fat, (d), In presence of air, fermentation of, bacteria forms, (a) CH 2 CH 2, (b), , [MP PMT 1990], , Kerosene, Naphtha, ethyl alcohol by azotobactor, [MP PMT 1989], , C2 H 6, , (d) CH 3 COOH, CH 3 CHO, Aspirin is also known as, [CPMT 1989, 94; MP PET 1995], [Orissa JEE 2005], (a) Methyl salicylic acid, (b) Acetyl salicylic acid, CH, CH, OH, OCH, (c) Acetyl salicylate, (d) Methyl salicylate, 5., Substances used in bringing down the temperature in high fevers, (a), HBr , CH 3 Br, are called, [DPMT 1983], (a) Pyretics, (b) Antipyretics, CH, CH, OCH, Br, (c) Antibiotics, (d) Antiseptics, (b), HBr , CH 3 OH, 6., When glycol is heated with dicarboxylic acid, the products are, (a) Polyesters, (b) Polyethers, CH, (c) Polyethylene, (d) No reaction at all, Br, OCH, OCH, 7., Cresol is, [BHU 1996], (c), HBr , CH 4, (a) A mixture of three cresols with little phenol, (b) Used as dye for wood, CH, OCH, (c) A soapy solution of cresols, H, OCH, (d) Having an aldehyde group, (d), HBr , CH 3 Br, 8., Phenol is used in the manufacture of, [AIIMS 1996], (a), Bakelite, (b), Polystyrene, Tertiary butyl alcohol gives tertiary butyl chloride on treatment with[Orissa JEE 2005], (c) Nylon, (d) PVC, (a) Conc. HCl /anhydrous ZnCl 2, 9., In cold countries ethylene glycol is added to water in the radiators, (b) KCN, to, [CPMT 1971; NCERT 1971; MP PMT 1993], (c) NaOCl, (a) Bring down the specific heat of water, (b) Lower the viscosity, (d) Cl 2, (c) Reduce the viscosity, (d) Make water a better lubricant, base, , , HO, N 2 Cl , , 10., Power alcohol is, [KCET 1990], [DPMT 2005], (a) An alcohol of 95% purity, (b) A mixture of petrol hydrocarbons and ethanol, OH, (a), NN, (c) Rectified spirit, (d) A mixture of methanol and ethanol, 11., 4-chloro-3, 5-dimethyl phenol is called, [KCET 2003], O, (b), (a) Chloramphenicol, (b) Paracetamol, (c) Barbital, (d) Dettol, 12., Alcoholic fermentation is brought about by the action of, (c), 3, , (c), , 4., , 3, , 3, , 3, , 3, , 3, , 3, , 3, , 3, , 3, , 3, , 3, , 241., , 242., , [CPMT 1977, 79, 88; DPMT 1983], , (d), , OH, 13., , 243., , 244., , In which of the following reactions carbon carbon bond formation, takes place, [DPMT 2005], (a) Cannizzaro, (b) Reimer-Tiemann, (c) HVZ reaction, (d) Schmidt reaction, Reaction of phenol with chloroform/sodium hydroxide to give o hydroxy benzaldehyde involves the formation of, [J & K 2005], , 245., , (a) Dichloro carbene, (b) Trichloro carbene, (c) Chlorine atoms, (d) Chlorine molecules, Which is not correct, [J & K 2005], (a) Phenol is more acidic than acetic acid, (b) Ethanol is less acidic than phenol, (c) Ethanol has lower boiling point than ethane, (d) Ethyne is a non-linear molecule, , Glycerol is used in the manufacture of, (a) Dynamite, (b) Varnish, (c) Paints, (d) Soft drinks, , [SCRA 1991], , (b) O 2, (d) Yeast, [DPMT 1982; MP PMT 1976, 77, 96;, CPMT 1976, 77, 90; KCET 1990], , 14., , 15., , Uses of alcohol, Phenol and Ethers, 1., , (a) CO 2, (c) Invertase, Rectified spirit is a mixture of, , 16., , (a) 95% ethyl alcohol + 5% water, (b) 94% ethyl alcohol + 4.53% water, (c) 94.4% ethyl alcohol + 5.43 % water, (d) 95.57% ethyl alcohol + 4.43% water, Methyl alcohol is toxic. The reason assigned is, (a) It stops respiratory track, , [RPET 2000], , (b) It reacts with nitrogen and forms CN in the lungs, (c) It increases CO 2 content in the blood, (d) It is a reduction product of formaldehyde, Glycerol is used, [Kurukshetra CET 2002], (a) As a sweetening agent, (b) In the manufacture of good quality soap, (c) In the manufacture of nitro glycerine, (d) In all of these, Glycerol is not used in which of following cases, (a) Explosive making, (b) Shaving soap making, (c) As an antifreeze for water (d) As an antiseptic agent
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Alcohol, Phenol and Ethers, 17., , 18., , 19., , Liquor poisoning is due to, [CPMT 1971], (a) Presence of bad compound in liquor, (b) Presence of methyl alcohol, (c) Presence of ethyl alcohol, (d) Presence of carbonic acid, In order to make alcohol undrinkable pyridine and methanol are, added to it. The resulting alcohol is called, (a) Power alcohol, (b) Proof spirit, (c) Denatured spirit, (d) Poison alcohol, Denatured spirit is mainly used as a, [MNR 1995; MP PET 2002], , 20., 21., , (a) Good fuel, (b) Drug, (c) Solvent in preparing varnishes, (d) Material in the preparation of oil, Main constituent of dynamite is, [MP PET 1992; BHU 1979], (a) Nitrobenzene, (b) Nitroglycerine, (c) Picric acid, (d) TNT, Wine (alcoholic beverages) contains, [CPMT 1972, 77; BHU 1996; AFMC 2001], , (a), 22., 23., , (b) Glycerol, , CH 3 OH, , (c) C 2 H 5 OH, (d) 2-propanol, Tonics in general contain, [MNR 1995], (a) Ether, (b) Methanol, (c) Ethanol, (d) Rectified spirit, Widespread deaths due to liquor poisoning occurs due to, , 2., , 24., 25., , 26., 27., , 28., , (c) C 2 H 5 MgX , Which is used as an antifreeze, (a) Glycol, (c) Water, , (d), , 3, , CH CH, 2, , 3, , 5., , (b), , RCHOH CH 3, , (c), , R CH 2 CH 2 OH, , (d), , R, R, , CHCH 2 OH, , [KCET 2003], , The correct order of boiling point for primary (1 o ), secondary, , (2 o ) and tertiary (3 o ) alcohols is, [CPMT 1999; RPMT 2002], , (a), 6., , 1o 2 o 3 o, , (b), , 3 o 2 o 1o, , (c) 2 o 1 o 3 o, (d) 2 o 3 o 1 o, What will be the products of reaction if methoxybenzene reacts with, , HI, , 7., 8., , (a) Methyl alcohol (methanol) + iodobenzene, (b) Methyl iodide (iodomethane) + benzene, (c) Methyle iodide + phenol, (d) Methyl iodide + iodobenzene, Ethylene reacts with Baeyer's reagent to give, [CPMT 1988], (a) Ethane, (b) Ethyl alcohol, (c) Ethylene glycol, (d) None of these, Which of the following statements is correct regarding case of, dehydration in alcohols, [CPMT 1980, 85; MP PMT 2001; BHU 2002], , 9., 10., , (a) Primary > Secondary, (b) Secondary > Tertiary, (c) Tertiary > Primary, (d) None of these, Oxiran is, (a) Ethylene oxide, (b) Diethyl ether, (c) Ethyl glycolate, (d) Glycolic ester, Propan-1-ol can be prepared from propene by alcohol, [AIIMS 2003], , [AFMC 1992], , (b) Ethyl alcohol, (d) Methanol, , COOH, , RCHOHR, , NaNO 2 / H 2 SO 4, H 2O, NaOH, Phenol , B , C , , D, Name of the above reaction is, (a) Liebermann’s reaction, (b) Phthalein fusion test, (c) Reimer-Tiemann reaction, (d) Schottenf-Baumann reaction, , 12., [Pb. PMT 1998], , CH, , (a), , 4., , Zn / HCl, , Which will undergo a Friedel-Craft's alkylation reaction, , [MP PMT 2003], , Glycerol boils at 290 o C with slight decomposition. Impure, glycerine can be purified by, [CPMT 1983, 94], (a) Steam distillation, (b) Simple distillation, (c) Vacuum distillation, (d) Extraction with a solvent, , 11., , 1., , (c) 2 and 4, (d) 1 and 2, The product ‘A’ in the following reaction is, H 2 C — CH 2, RMgI, , A, O, , 3., , [DPMT 2001], , (a) Presence of carbonic acid in liquor, (b) Presence of ethyl alcohol in liquor, (c) Presence of methyl alcohol in liquor, (d) Presence of lead compounds in liquor, Diethyl ether finds use in medicine as, [KCET 1989], (a) A pain killer, (b) A hypnotic, (c) An antiseptic, (d) An anaesthetic, Washing soap can be prepared by saponification with alkali of the, oil, [CPMT 1986], (a) Rose oil, (b) Paraffin oil, (c) Groundnut oil, (d) Kerosene, Ether can be used, [CPMT 1982], (a) As a general anaesthetic, (b) As a refrigerant, (c) In perfumery, (d) All of these, The Bouveault-Blanc reduction involves, [MP PET 1991], (a) C 2 H 5 OH / Na, (b) LiAlH4, , 1233, , OH, 13., , (a), , H 2 O / H 2 SO 4, , (b), , Hg(OAc)2 / H 2 O followed by NaBH 4, , (c), , B 2 H 6 followed by H 2 O 2, , (d) CH 3 CO 2 H / H 2 SO 4, Distinction between primary, secondary and tertiary alcohol is done, by, [MP PMT/PET 1988; RPMT 2000], (a) Oxidation method, (b) Lucas test, (c) Victor Meyer method, (d) All of these, Oxidation of which of the following by air in presence of vanadium, pentoxide gives phenol, (a) Toluene, (b) Benzene, (c) Benzaldehyde, (d) Phenyl acetic acid, The most suitable method of the separation of a 1 : 1 mixture of ortho, and para nitrophenols is, [CBSE PMT 1994, 99; CPMT 1997], , NO 2, 1, , (a) 1, 2 and 4, , 2, , 3, , (b) 1 and 3, , 4, , 14., , (a) Distillation, (b) Sublimation, (c) Crystallization, (d) Chromatography, Which of the following does not form phenol or phenoxide, [AFMC 2000]
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1234 Alcohol, Phenol and Ethers, (a), 15., , 16., , 17., , 18., , 19., , C6 H 5 Cl, , (b), , C6 H 5 COOH, , (c) C6 H 5 N 2 Cl, (d) C6 H 5 SO 3 Na, Which of the following will be obtained by keeping ether in contact, with air for a long time, [RPMT 2003], (a) C 2 H 5 O CH (CH 3 ) O OH, , (c), (d), (e), , If both assertion and reason are true and the reason is the correct, explanation of the assertion., If both assertion and reason are true but reason is not the correct, explanation of the assertion., If assertion is true but reason is false., If the assertion and reason both are false., If assertion is false but reason is true., , 1., , Assertion, , 2., , Reason, Assertion, Reason, , (d) CH 3 OC 2 H 5 , CH 3 OCH 3 and C 2 H 5 OC 2 H 5, In the following groups, OAc, OMe, OSO 2 Me, OSO 2 CF3, , 3., , Assertion, , I, III, II, The order of leaving group ability is [IIT 1997], (a) I > II > III > IV, (b) IV > III > I > II, (c) III > II > I > IV, (d) II > III > IV > I, Epoxides are, (a) Cyclic ethers, (b) Not ethers, (c) Aryl-alkyl ethers, (d) Ethers with another functional group, , 4., , (b), , C 2 H 5 OCH 2 OH, , (c), , C 2 H 5 O C 2 H 5 OH, , (d) CH 3 O CH (CH 3 ) O OH, When a mixture of ethanol and methanol is heated in the presence, of concentrated H 2 SO 4 the resulting organic product or products, is/are, [Manipal MEE 1995], (a) CH 3 OC 2 H 5, (b), , CH 3 OCH 3 and C 2 H 5 OC 2 H 5, , (c), , CH 3 OC 2 H 5 and CH 3 OCH 3, , The reaction of CH 3 CH CH, , (a), , CH 3 CHBrCH 2, , (b), , CH 3 CH 2 CHBr, , (c), , CH 3 CHBrCH 2, , (d), , 21., , 22., , CH 3 CH 2 CHBr, , (a), (b), , IV, , Reason, , : A triester of glycerol and palmitic acid on boiling, with aqueous NaOH gives a solid cake having soapy, touch, : Free glycerol is liberated which is a greasy solid[AIIMS 1996], : Phenol is a weak acid than etnanol, : Groups with + M effect and – I effect decrease acidity, at p-position, [AIIMS 2002], : Phenol is more reactive than benzene towards, electrophilic substitution reaction, : In the case of phenol, the intermediate carbocation, is more resonance stabilized, [IIT-JEE (Screening) 2000], , 5., , Assertion, Reason, Assertion, , 7., , Reason, Assertion, Reason, Assertion, , 8., , Reason, Assertion, , 9., , Reason, Assertion, , 10., , Reason, Assertion, , 6., , OH, , with HBr gives, , 20., , Read the assertion and reason carefully to mark the correct option out of, the options given below:, , [IIT-JEE 1998], , OH, OH, 11., , Reason, Assertion, Reason, , 12., , Assertion, , Br, , : Phenol undergo Kolbe reaction, ethanol does not., : Phenoxide ion is more basic than ethoxide ion.[AIIMS 1994], : Lucas reagent is a mixture of anhydrous ZnCl 2, and concentrate HCl, : Primary alcohol produce ppt. with Lucas reagents.[AIIMS 1995], : Resorcinol turns FeCl2 solution purple., : Resorcinol have phenolic group., [AIIMS 2000], : Glycerol is purified by distillation under reduced, pressure., : Glycerol is a trihydric alcohol., : Alcohol and phenol can be distinguished by sodium, hydroxide., : Phenol is acidic while alcohol is neutral., : Alcohols are dehydrated to hydrocarbons in the, presence of acidic zeolites., : Zeolites are porous catalysts., : The major products formed by heating, C6 H 5 CH 2 OCH 3 with HI are C6 H 5 CH , I and, CH 3 OH ., : Benzyl cation is more stable than methyl cation.[AIIMS 2004], : The pka of acetic acid is lower than that of phenol., : Phenoxide ion is more resonance stabilized., [AIIMS 2004], , Br, , Which of the following compounds on boiling with KMnO4 (alk.) and, 13., subsequent acidification will not give benzoic acid, [KCET 2001], (a) Benzyl alcohol, (b) Acetophenone, (c) Anisole, (d) Toluene, The best reagent to convert pent-3-en-2-ol into pent-3-in-2-one is[AIEEE 2005], 14., (a) Acidic permanganate, (b) Acidic dichromate, (c) Chromic anhydride in glacial acetic acid, 15., (d) Pyridinium chloro-chromate, When alcohol reacts with concentrated H 2 SO 4 intermediate, compound formed is, [AFMC 2005], (a) Carbonium ion, (b) Alkoxy ion, 16., (c) Alkyl hydrogen sulphate, (d) None of these, , Reason, Assertion, Reason, Assertion, Reason, Assertion, Reason, Assertion, Reason, , : Alcoholic fermentation involves conversion of sugar, into ethyl alcohol by yeast., : Fermentation involves the slow decomposition of, complex organic, : The water solubility of the alcohols follow the order tbutyl > s-butyl alcohol > n-butyl alcohol., : Alcohols form H-bonding with water to show, soluble nature., : Absolute ethanol can be obtained by simple, fractional distillation of a mixture of alcohol and, water., : The absolute alcohol boils at 78.3°C., : Acid catalysed dehydration of t-butanol is slower, than n-butanol., : Dehydration involves formation of the protonated, alcohol, ROH 2 ., : Tertiary alcohols give turbidity immediately with, Lucas reagent., : A mixture of conc.HI + anhydrous ZnCl 2 is called, Lucas reagent.
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Alcohol, Phenol and Ethers, 17., , Assertion, , 18., , Reason, Assertion, Reason, , 19., , Assertion, , 20., , Reason, Assertion, Reason, , 21., , Assertion, Reason, , 22., , Assertion, Reason, , 23., , Assertion, Reason, , 24., , Assertion, Reason, , 25., , Assertion, , Reason, 26., , Assertion, Reason, , 27., , Assertion, Reason, , 28., , 29., , Assertion, Reason, Assertion, Reason, , 30., , Assertion, Reason, , 31., , Assertion, Reason, , 32., , Assertion :, Reason :, , 33., , Assertion :, Reason :, , : 4-nitrophenol is more acidic than 2, 4, 6trinitrophenol., : Phenol is a weaker acid than carbonic acid., : Phenols cannot be converted into esters by direct, reaction with carboxylic acids., : Electron withdrawing groups increase the acidity of, phenols., : tert-butyl alcohol undergoes acid catalysed, dehydration readily than propanol., : 3° alcohols do not give Victor-Meyer’s test., : The ease of dehydration of alcohols follows the, order. Primary > Secondary > Tertiary., : Dehydration proceeds through the formation of, oxonium ions., : Phenol reacts with acyl halides in presence of, pyridine to form phenyl acetate., : Benzoylation of phenol is carried out in the, presence of NH 4 OH ., : Alcohols are easily protonated than phenols., : Alcohols undergo intermolecular hydrogen bonding, due to the presence of highly electronegative, oxygen., : Phenol is less acidic than p-nitrophenol., : Phenolate ion is more stable then p-nitrophenolate, ion., : Treatment of phenol with nitrous acid yields pbenzoquinone monoxime., : p-nitrosophenol and p-benzoquinone monoxime are, tautomers., : Reimer-Tiemann reaction of phenol with CCl 4 in, NaOH at 340 K gives salicylic acis as the major, product., : The reaction occurs through intermediate formation, of dichlorocarbene., : Primary and secondary alcohols can be, distinguished by Victor-Meyer’s test., : Primary alcohols form nitrolic acid which dissolve in, NaOH to form blood red colouration but secindary, alcohols form pseusonitrotes which give blue, colouration with NaOH., : HIO4 cleaves 1, 2-glycols but not 1, 3- or higher, glycols., : Only 1, 2- glycols form cyclic esters which, subsequently undergo cleavage to form carbonyl, compounds., : Dehydration of glycerol with KHSO 4 gives, acrolein., : Acrolein is an , -unsaturated aldehyde., : Both symmetrical and unsymmetrical ethers can be, prepared by Williamson’s synthesis., : Williamson’s synthesis is an example of nucleophilic, substitution reaction., : Etherates are coordination complexes of ethers with, Lewis acids., : Ethers are easily cleaved by mineral acids such as, HCl and H 2 SO 4 at 373 K., , 1235, , General introduction of alcohol, Phenol & Ethers, 1, , b, , 2, , d, , 3, , c, , 4, , d, , 5, , a, , 6, , c, , 7, , c, , 8, , b, , 9, , c, , 10, , b, , 11, , b, , 12, , c, , 13, , c, , 14, , a, , 15, , c, , 16, , b, , 17, , b, , 18, , b, , 19, , b, , 20, , b, , 21, , a, , 22, , c, , 23, , a, , 24, , a, , 25, , b, , 26, , a, , 27, , c, , 28, , a, , 29, , c, , 30, , d, , 31, , a, , 32, , b, , 33, , c, , 34, , b, , 35, , d, , 36, , d, , 37, , b, , 38, , a, , 39, , a, , Preparation of alcohol, Phenol and Ethers, 1, , c, , 2, , c, , 3, , b, , 4, , c, , 5, , d, , 6, , c, , 7, , c, , 8, , d, , 9, , a, , 10, , b, , 11, , c, , 12, , c, , 13, , b, , 14, , b, , 15, , d, , 16, , c, , 17, , b, , 18, , c, , 19, , d, , 20, , b, , 21, , c, , 22, , b, , 23, , c, , 24, , c, , 25, , c, , 26, , d, , 27, , a, , 28, , d, , 29, , b, , 30, , a, , 31, , b, , 32, , b, , 33, , d, , 34, , c, , 35, , d, , 36, , c, , 37, , a, , 38, , a, , 39, , b, , 40, , c, , 41, , b, , 42, , a, , 43, , a, , 44, , c, , 45, , c, , 46, , b, , 47, , c, , 48, , b, , 49, , a, , 50, , b, , 51, , d, , 52, , a, , 53, , d, , 54, , a, , 55, , c, , 56, , a, , 57, , b, , 58, , c, , 59, , b, , 60, , bc, , 61, , a, , 62, , d, , 63, , b, , 64, , a, , Properties of alcohol, Phenol and Ethers, 1, , c, , 2, , a, , 3, , a, , 4, , c, , 5, , a, , 6, , d, , 7, , d, , 8, , b, , 9, , d, , 10, , c, , 11, , a, , 12, , b, , 13, , c, , 14, , c, , 15, , c, , 16, , b, , 17, , c, , 18, , c, , 19, , d, , 20, , a, , (CH 3 )3 C O CH 2CH 3 ., : Good yields of ethers are obtained when tert-alkyl, halides are treated with alkoxides., A rate of hydrolysis of methyl chloride to methanol, is higher in DMF than in water., Hydrolysis of methyl chloride follows second order, kinetics., [AIIMS 2005], t-Butyl methyl ether is not prepared by the reaction, of t-butyl bromide with sodium methoxide., Sodium methoxide is a strong nucleophile., , 21, , b, , 22, , b, , 23, , a, , 24, , b, , 25, , c, , 26, , b, , 27, , a, , 28, , b, , 29, , a, , 30, , d, , 31, , b, , 32, , b, , 33, , c, , 34, , c, , 35, , b, , 36, , a, , 37, , d, , 38, , a, , 39, , c, , 40, , b, , 41, , d, , 42, , b, , 43, , d, , 44, , a, , 45, , c, , 46, , b, , 47, , c, , 48, , a, , 49, , a, , 50, , a, , [AIIMS 2005], , 51, , d, , 52, , c, , 53, , b, , 54, , c, , 55, , a, , :, , (CH 3 )3 Br and CH 3 CH 2 ONa react to form
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1236 Alcohol, Phenol and Ethers, 56, , c, , 57, , d, , 58, , a, , 59, , d, , 60, , c, , 1, , a, , 2, , c, , 3, , d, , 4, , b, , 5, , b, , 61, , d, , 62, , a, , 63, , c, , 64, , b, , 65, , c, , 6, , a, , 7, , a, , 8, , a, , 9, , a, , 10, , b, , 66, , b, , 67, , d, , 68, , b, , 69, , c, , 70, , b, , 11, , d, , 12, , d, , 13, , d, , 14, , b, , 15, , d, , 71, , c, , 72, , c, , 73, , a, , 74, , a, , 75, , c, , 16, , d, , 17, , b, , 18, , c, , 19, , c, , 20, , b, , 76, , a, , 77, , a, , 78, , a, , 79, , d, , 80, , a, , 21, , c, , 22, , c, , 23, , c, , 24, , d, , 25, , c, , 81, , c, , 82, , a, , 83, , d, , 84, , b, , 85, , c, , 26, , d, , 27, , a, , 28, , a, , 86, , a, , 87, , b, , 88, , d, , 89, , b, , 90, , c, , 91, , b, , 92, , d, , 93, , d, , 94, , b, , 95, , a, , 96, , a, , 97, , b, , 98, , a, , 99, , c, , 100, , d, , 1, , c, , 2, , c, , 3, , c, , 4, , a, , 5, , a, , 101, , d, , 102, , c, , 103, , a, , 104, , b, , 105, , d, , 6, , c, , 7, , c, , 8, , c, , 9, , a, , 10, , c, , 106, , a, , 107, , d, , 108, , b, , 109, , a, , 110, , c, , 11, , d, , 12, , b, , 13, , a, , 14, , b, , 15, , a, , 111, , b, , 112, , b, , 113, , a, , 114, , a, , 115, , a, , 16, , d, , 17, , b, , 18, , a, , 19, , b, , 20, , c, , 116, , b, , 117, , a, , 118, , d, , 119, , a, , 120, , c, , 21, , c, , 22, , a, , 121, , a, , 122, , d, , 123, , a, , 124, , a, , 125, , c, , 126, , b, , 127, , c, , 128, , b, , 129, , a, , 130, , a, , 131, , b, , 132, , b, , 133, , c, , 134, , a, , 135, , d, , 136, , a, , 137, , b, , 138, , d, , 139, , a, , 140, , b, , 141, , a, , 142, , b, , 143, , b, , 144, , a, , 145, , 146, , a, , 147, , a, , 148, , a, , 149, , a, , 151, , b, , 152, , b, , 153, , b, , 154, , 156, , c, , 157, , d, , 158, , c, , 161, , c, , 162, , c, , 163, , 166, , b, , 167, , c, , 171, , c, , 172, , 176, , a, , 181, , Critical Thinking Questions, , Assertion & Reason, 1, , c, , 2, , d, , 3, , a, , 4, , c, , 5, , c, , 6, , a, , 7, , b, , 8, , a, , 9, , b, , 10, , a, , b, , 11, , c, , 12, , a, , 13, , b, , 14, , e, , 15, , e, , 150, , b, , 16, , c, , 17, , e, , 18, , b, , 19, , b, , 20, , e, , a, , 155, , b, , 21, , c, , 22, , b, , 23, , c, , 24, , b, , 25, , c, , 159, , c, , 160, , a, , 26, , a, , 27, , a, , 28, , b, , 29, , b, , 30, , c, , b, , 164, , d, , 165, , a, , 31, , d, , 32, , c, , 33, , b, , 168, , b, , 169, , d, , 170, , b, , b, , 173, , b, , 174, , b, , 175, , a, , 177, , c, , 178, , a, , 179, , b, , 180, , c, , b, , 182, , b, , 183, , c, , 184, , a, , 185, , d, , 186, , c, , 187, , b, , 188, , a, , 189, , c, , 190, , a, , 191, , d, , 192, , a, , 193, , a, , 194, , b, , 195, , ad, , 196, , d, , 197, , b, , 198, , b, , 199, , b, , 200, , a, , 201, , b, , 202, , c, , 203, , d, , 204, , a, , 205, , b, , 206, , a, , 207, , b, , 208, , b, , 209, , b, , 210, , b, , 211, , a, , 212, , a, , 213, , b, , 214, , a, , 215, , a, , 216, , c, , 217, , d, , 218, , d, , 219, , a, , 220, , a, , 221, , b, , 222, , a, , 223, , d, , 224, , b, , 225, , c, , 226, , a, , 227, , c, , 228, , d, , 229, , b, , 230, , a, , 231, , b, , 232, , d, , 233, , c, , 234, , b, , 235, , d, , 236, , b, , 237, , d, , 238, , c, , 239, , d, , 240, , a, , 241, , a, , 242, , a, , 243, , b, , 244, , a, , 245, , a, , Uses of alcohol, Phenol and Ethers
