Download GTU BE/B.Tech 2018 Winter 4th Sem New 2143607 Unit Processes In Organic Synthesis Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-1V (NEW) EXAMINATION - WINTER 2018

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Subject Code:2143607 Date:22/11/2018
Subject Name:Unit Processes in Organic Synthesis
Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Explain nitration reaction with suitable example. 03
(b) Differentiate between sulfonation and sulfation processes. 04

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(c) Explain synthesis of nitrobenzene. 07

Q.2 (a) Explain oxidation reaction with example. 03
(b) What is sulfonation reaction? Write down two sulfonating agents. 04
(c) Describe manufacture of ethyl acetate 07
OR

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(c) Explain in detail various methods of esterification 07

Q.3 (a) Explain chlorination with suitable example. 03
(b) Define following terms: 04
1. Unit Operation 2. Unit Process 3. Functionality 4. Absolute alcohol
(c) What are different industrial alcohols? Explain synthesis of any one alcohol in 07

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detail.
OR

Q.3 (a) What do you mean by Van’t Hoff factor? Explain with example. 03
(b) Write a note on halogenation process. 04
(c) Explain various polymerization techniques. 07

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Q.4 (a) Explain oxidation reaction with example. 03
(b) Explain the different methods of reduction. 04
(c) Explain Hydrogenation process with suitable example. 07
OR

Q.4 (a) Explain hydrolysis process in detail. 03

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(b) Discuss in detail trans-esterification process. 04
(c) Explain the synthesis of aniline by ammonolysis. 07

Q.5 (a) Explain the various types of alkylation. 03
(b) Explain Friedel Craft Alkylation and Acylation. 04
(c) Elaborate the chemistry of aldehyde and ketone with suitable examples 07

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OR

Q.5 (a) Write a note on alkylating agents. 03
(b) Explain the synthesis of acetic acid. 04
(c) Elaborate hydrogenolysis reactions with examples. 07

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