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Model Question Paper-1 with effect from 2021 (CBCS Scheme), , TIME: 03 Hours, , First Semester Engineering Degree Examination, Subject Title 21CHE12/22, , Max. Marks: 100, , Note: Answer any FIVE full questions, choosing at least ONE question from each, MODULE., , a, Q.1, , b, c, a, b, , Q.2, c, , a, Q.3, , b, c, a, , Q.4, , b, c, a, , Q.5, , b, c, a, , Q.6, , b, c, , MODULE 1, Define Single Electrode Potential. Derive Nernst equation for single electrode, potential., Describe the construction and working of calomel electrode, Explain the construction and working of Li-ion battery, mention its, applications., OR, Distinguish between primary, secondary and reserve batteries., Explain construction and working of glass electrode., For the cell, Fe/Fe2+ (0.01M)//Ag+ (0.1M)/Ag write the cell reaction and, calculate the emf of the cell at 298K, if standard electrode potentials of Fe, and Ag electrodes are -0.44V and 0.8 V respectively., MODULE 2, , Marks, , Define metallic corrosion? Describe the electrochemical theory of corrosion, taking iron as an example., Explain: (i) Differential metal corrosion & (ii) Water-line corrosion, What is electroplating? Explain the electroplating of chromium, OR, What is meant by metal finishing? Mention (any five) technological, importance of metal finishing., What is electroless plating? Explain the electroless plating of copper., Explain the factors affecting the rate of corrosion (i) Nature of corrosion, product, (ii) Ratio of anodic to cathodic areas & (iii) pH, MODULE 3, Explain the synthesis and application of Polyurethane., Describe the mechanism of conduction in Polyaniline and factors influencing, conduction in organic polymers., Explain any two size dependent properties of nanomaterials, OR, What are nanomaterials? Explain the synthesis of nanomaterial by sol gel, process., Write a note on Fullerenes. Mention its applications., Explain the synthesis, properties and application of Polylactic acid., , 7, , 7, 6, 7, 6, 7, 7, , 6, 7, 6, 7, 7, 7, 7, 6, 7, 6, 7

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a, Q.7, , b, c, a, , Q.8, , b, c, a, b, , Q.9, c, a, Q.10, , b, c, , MODULE 4, With suitable example explain microwave synthesis and bio catalyzed, reactions, Explain the synthesis of Adipic acid by conventional route from Benzene and, green route from Glucose., Describe the construction and working of Methanol –Oxygen fuel cell., OR, Describe the hydrogen production by photo catalytic water splitting method., Explain the synthesis of Paracetamol by conventional and green route from, phenol., Explain the construction and working of photovoltaic cells., MODULE 5, Explain the theory, instrumentation and applications of flame photometry., Write the principles and requirement of titrimetric analysis., In a COD test, 30.5 cm3 and 15.5 cm3 of 0.05 N FAS solutions are required, for blank & sample titration respectively. The volume of test sample used was, 25 cm3. Calculate the COD of the sample solution., OR, Explain the determination of hardness of water by EDTA method., Define the following units of standard solution., i) Molarity ii) Normality iii) ppm, Explain the theory and instrumentation of potentiometry., , 7, 7, 6, 7, 7, 6, 7, 7, 6, 7, 6, 7

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Table showing the Bloom’s Taxonomy Level, Course Outcome and Program Outcome, , Question, , Q.1, , Q.2, Q.3, Q.4, Q.5, Q.6, Q.7, Q.8, Q.9, Q.10, , (a), , Bloom’s Taxonomy, Level attached, , L1,, L2, L2, L2, L1, L2, L3, L2, L2, L2, L1, L2, L2, L2, L2, L2, L2, L2, L2, L2, L2, L2, L2, L2, L2, L2, L2, L3, L2, L2, L2, , (b), (c), (a), (b), (c), (a), (b), (c), (a), (b), (c), (a), (b), (c), (a), (b), (c), (a), (b), (c), (a), (b), (c), (a), (b), (c), (a), (b), (c), , Bloom’s, Taxonom, y Levels, , Course, Outcome, , Program Outcome, , CO.1, , PO-1,2,12, , CO.1, CO.1, CO.1, CO.1, CO.I, CO.2, CO.2, CO.2, CO.2, CO.2, CO.2, CO.3, CO.3, CO.3, CO.3, CO.3, CO.3, CO.4, CO.4, CO.4, CO.4, CO.4, CO.4, CO.5, CO.5, CO.5, CO.5, CO.5, CO.5, , PO-1.2,12, PO-1,2,12, PO-1,2,12, PO1,2.12, PO-1, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO1, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1,2,12, PO-1, PO-1,2,12, PO-1,2,12, PO-1,2,12, , Lower order thinking skills, Understanding, Comprehension): 𝐿2, Higher order thinking skills, Analyzing (Analysis): 𝐿4 Valuating (Evaluation): 𝐿5, Remembering(, knowledge):𝐿1, , Applying (Application):, 𝐿3, Creating (Synthesis): 𝐿6