Download GTU (Gujarat Technological University Ahmedabad) B.Pharma (Bachelor of Pharmacy) 2019 Summer 2nd Sem BP202TP Pharmaceutical Organic Chemistry I Previous Question Paper
GUJARAT TECHNOLOGICAL UNIVERSITY
B.PHARM - SEMESTER? 2 EXAMINATION ? SUMMER -2019
Subject Code: BP202TP Date: 29-05-2019
Subject Name: Pharmaceutical Organic Chemistry I
Time: 10:30 AM TO 01:30 PM
Total Marks: 80
Instructions:
1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Give IUPAC name of followings:
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(b) Write all possible isomers of C4H8 and name them by IUPAC system.
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(c) Define and classify organic compound. Explain SP3 hybridization of alkane.
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Q.2 (a) Give the structure and uses of the following
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(1) Chlorobutanol (2) Methyl salicylate (3) Hexamine
(4) Vanillin (5) Paraldehyde (6) Ethylenediamine
(b) Describe effect of substituent on basicity of aliphatic amine. Why 2? amine is
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more basic than 1? and 3? amine in aqueous media?
(c) Give three methods for synthesis of alkenes.
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Q.3 (a) Explain reaction mechanism of cannizzaro reaction and perkin condensation.
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(b) Explain acidity of carboxylic acid in brief. What is the impact on acidity of
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benzoic acid if it was substituted with ?OH or ?CH3?
(c) Mention method of preparation for carboxylic acid. Give any two qualitative
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tests for identification of carboxylic acid.
Q.4 (a) Write Aldol condensation &Cross aldol condensation with reaction mechanism. 06
(b) Explain method for synthesis of alkyl halides.
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(c) Describe the factors affecting the E1 and E2 reaction.
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Q.5 (a) Give general mechanism for nucleophilic addition of carbonyl compounds.
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Mention any three nucleophilic addition reactions of aldehyde or ketone.
(b) Explain ozonolysis of alkene in detail.
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(c) Describe stability of conjugated dienes.
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Q. 6 (a) Differentiate Markownikoff's addition and Anti-markownikoff's addition to
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alkene.
(b) Explain Saytzeff rule with examples.
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(c) What is pyrolysis? Give general reaction of pyrolysis for alkane.
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Q.7 (a) How will you distinguish 1?, 2? and 3? alcohol? Explain Grignard reaction for
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synthesis of alcohols.
(b) Write note on Diel-Alder reaction.
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(c) Write short notes on SN1 reaction in detail.
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