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~~, , rey, , R-I>R-Br>R-C], , , , qu Br>R-1>R-F, , ado R= er 8-18, o® ;, athe following sequence of, reactions, , KCN Ho iAIH, — pA 4, , cn, -8 . ether, the end product (C) is, ja) Acetaldehyde (B) Ethyl alcohol, (Q) Acetone {(D) Methane, , Alkyl halides are prepared from alcohols by treating, with, , ia) HCl+ ZnCl, (B) Red P+Br,, 1 HSO,+KI (D) Both (A) and (B), , The conversion of ethyl bromide to ethyl iodide using, sodium iodide and dry acetone is known as, , (A) Swarts reaction, , (8) Finkelstein reaction, , (C) Sandmeyer reaction, , (D) Stephen reaction, For the reaction:, , 2 4x4 10, where HXioa, , C)H,OH + HX, halogen acid., The order of reactivity of halogen acids for their, reaction is :, , (A) HCl> HBr > HI (@®) HBr>HI>HO, (©) HI>HCl> HBr (D) HI>HBr>HCl, The product of reaction between alcoholic silver nitrite, with ethyl bromide is, (A) ethene, , (C) ethyl nitrile, Hunsdiecker’s reaction is an example of, 'A) decarboxylation, , (8) debromination, , (©) decarboxylation and bromination, 'D) bromination, , The reaction of phosphorus tribromide, ONG iccccnns, , (A) monohalogen derivative, , (By bromine gas, , ‘© dihalogen derivative, , (0) alkene, , (B) ethane, (D) nitro ethane, , with ethanol, , , , , , , , , , (28) The reactions is:, R-CH, - OH + HCl ——+ R-CH, - Cl + H,0,, for the completion of the reaction, is used, (A) conc. H,SO, (B) CaCl,, (QC) excess of water (D) anhydrous ZnCl,, (29) In the reaction:, X+PCl, —4-» CH,CH,CI+ POCI, X is, (A) ethanol (B) ethanal, (C) ethane (D) methane, (30) Best method of preparing alkyl chloride is, (A) ROH +SOCI, —>, (B) ROH+ PCI, —e, (C) ROH+PCl,—+, (D) ROH+HcI 2nhydrous ZnCl,, Nucleophilic Substitution Reacti, (31) Substitution nucleophilic second order [SN?] involves, .. Step(s)., {A) one (B) two, (C) three (D) four, (32) Geometry of reaction intermediate in SN! reaction is, (A) tetrahedral, (B) planar, (C) triangular bipyramidal, (D) None of these, (33) __ Tert-butyl chloride preferably undergo hydrolysis by, (A) mechanism, (B) mechanism, (C) Any of (A) and (B), (D) None of these, (34) In SN? mechanism, the rate of reaction is proportional, to concentration of... «, (A) only substrate, (B) only reagent, (C) both substrate and reagent, {D) electrophile, (35) Racemisation takes place in SN!, reaction. The reason is ......00000......,, (A) inversion of configuration, (B) retention of configuration, (C) both inversion and retention of the confi anata, (D) neither inversion nor retention of the, configuration, eo Os nem hydrolysis of tert-butyl bromide,, =k((CH,),C - Br} [OH+}, (B) Rate =k [(CH,),C ~ Br] + (OH-], a, , Scanned with CamSx

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(66), , (67), , (68), , (69), , (70), , (C) Sulphonation reaction, (D) all of the above reactions, , The reaction of toluene with (o} =, chlorine in the presence of light yields —_, , 7 &, (A), 3, “CT oO, cH,, {D), The raw material for Rasching process is, (A) chlorobenzene (8) phenol, (C) benzene (D) anisole, , Which of the following reagents can be used to, distinguish chlorobenzene from chlorocyclohexane?, (A) AgNOJC,HOH, , (8) Ag(NH,),OH, , (©) Na fusion; HNO, AgNO,, , (©) Bryca,, , Which is the major product in the given reaction?, , a, , O Cone. H,SO,, os, ca a, ‘SO,, (A) or " (8) OG., HH, a, a, © (D) "6, $0,H, Predict the main product in, Oo, Oo, (A) phenyl cyanide (8) nitrophenol, (C) aniline (D) hydroxylamine, , , , (71), , (72), , (73), , (74), , (75), , Select the product of the reaction., cl, , Conc. H,SO,, O + CL, (excess) a, , cl ct, W “OQ, cL, a, cl, cl, © (D) Both (A) and (¢), , Whit is ‘A; in the following reaction?, , a, , (i) NaOH, 623 K, 300 atm >, a (ii) H®, ca, OH, (A) (B), , (9 O (D) Oo, , Chlorobenzene can be converted into toluene by, (A) Wurtz reaction, , (B) Fittig reaction, , (C) Wurtz-Fittig reaction, , (D) All of the above, , Polyhalogen Compounds, , CCI, is a well-known fire extinguisher. However, after, using it to extinguish fire, the room should be well, ventilated. This is because, , (A) itis fammable at high temperature, , , , {B) itis toxie, (C) it produces phosgene by reaction with water, vapour, , (D) itis corrosive, Which of the following compound has antisepti¢, property ?, (A) CHI,, , (C) CHCl,, , (@)CH,Cl,, (p) cal,, , , , Scanned with CamSx