Download GTU BE/B.Tech 2019 Winter 3rd Sem New 3130407 Chemistry For Biotechnology Question Paper

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Seat No.:

GUJARAT TECHNOLOGICAL UNIVERSITY

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- SEMESTER- IIT (New) EXAMINATION — WINTER 2019

Subject Code: 3130407 Date: 3/12/2019

Subject Name: Chemistry for Biotechnology

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

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1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

1. (a) Define the following terms with suitable examples. (03)
   1. Hydrocarbon
   2. Valency

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   3. Free Radical
2. (b) What are Reactive Intermediates? (04)
3. (c) What are Dyes? Classify giving examples. (07)

1. (a) Define the following terms with suitable examples. (03)
   1. Carbocation

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   2. Carbanion
   3. Carbenes
2. (b) What is Fission Reaction? Explain giving examples. (04)
3. (c) What are organic reactions? Explain in detail Electrophilic aromatic substitution reaction. (07)

   OR

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1. (a) What are standard solutions? Classify giving examples. (03)
2. (b) Define the following terms with suitable examples. (04)
   1. Inductive Effect
   2. Hyperconjugation
   3. Nitrene

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3. (c) Mention different types of carboxylic acids in detail. (07)

1. (a) What are unit processes? Name few. Give symbolic representations of explaining flow sheet. (03)

   OR

2. (b) Define the following terms with suitable examples. (04)
   1. Nucleophile

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   2. Electrophile
   3. Esterification
3. (c) How will you manufacture Acetic Acid? (07)

1. (a) Mention various derivatives of Carboxylic Acid. (03)

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2. (b) Define the following terms with suitable examples. (04)
   1. Isomers
   2. Chirality
   3. Racemic Mixture
3. (c) Write a short note on — Geometric Isomerism with examples. (07)

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1. (a) What is optical activity? Explain Enantiomers and Diastereomers. (03)

   OR

2. (b) Define the following terms with suitable examples. (04)
   1. Drugs
   2. Analgesics
   3. Antipyretics drug

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3. (c) Differentiate between Enantiomerism. (07)

1. (c) Explain various steps of Drug preparations in detail. (07)

1. (a) Define the following terms with suitable examples. (03)
   1. Dyes
   2. Colours

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   3. Pigment
2. (b) Write a short note on — Chromophore-Auxochrome Theory of Colours. (04)
3. (c) Explain Chromatographic analysis technique in detail. (07)

   OR

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1. (a) Give full forms of — (03)
   1. GC
   2. TLC
   3. UV
2. (b) Write a short note on - Lambert-Beer’s Law. (04)

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3. (c) Explain different Spectroscopic techniques in detail with illustrations. (07)

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