Subject Name: Unit Processes in Organic Synthesis
Subject Code:2143607
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Date:09/05/2019
Time:02:30 PM TO 05:00 PM
Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Differentiate between unit process and unit operation with example. MARKS 03
(b) Write a short note on alkali hydrolysis. MARKS 04
(c) Explain chemistry of polymerization reactions. MARKS 07
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Q.2 (a) Discuss Bechamp reduction using suitable examples. MARKS 03
(b) OR Explain in detail ‘Ease of Esterification’ and ‘Transesterification’. MARKS 04
(c) Discuss the formation of Nitryl ions in nitration process using mixed acids. MARKS 07
Q.3 (a) Explain unit process for Amination with suitable example and process parameters. MARKS 03
(b) Describe manufacture of Aniline by Ammonolysis of Chloro benzene using flow sheet diagram. MARKS 04
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(c) OR Explain Van’t Hoff factor with example. MARKS 07Q.4 (a) Explain in detail utility of various agents used in aromatic chlorination. MARKS 03
(b) Discuss Suspension polymerization process in detail. MARKS 04
(c) Give an account of various oxidizing agents. MARKS 07
Q.5 (a) Define Nitric ratio and D.V.S with example. MARKS 03
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(b) Draw a neat flow sheet diagram describing manufacture of Methanol. MARKS 04(c) OR Write a short note on alkylating agents. MARKS 07
Q.6 (a) Give a brief account of nitration of paraffinic hydrocarbon. MARKS 03
(b) Enlist various polymerization techniques. Discuss Emulsion polymerization process with its advantages and disadvantages. MARKS 04
(c) Write a note on PETN. MARKS 07
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Q.7 (a) Write a short note on sulfonation and sulfation with suitable examples. MARKS 03
(b) Discuss in detail Hydrogenolysis reactions with examples. MARKS 04
(c) OR Give manufacture of any one : Anisole. MARKS 07
Q.8 (a) Discuss mechanism of aromatic bromination. MARKS 03
(b) Discuss Technical Hydrogenation process in detail. MARKS 04
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(c) Give manufacturing of any compound using sulfonation. MARKS 07Q.9 (a) Using a neat flow sheet diagram describe manufacture of ethyl acetate by batch process. MARKS 03
(b) MARKS 04
(c) MARKS 07
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