GTU B.Pharm 2018 Winter Question Papers || Gujarat Technological University
Subject Code:BP202TP Date: 11/12/2018
Subject Name: Pharmaceutical Organic Chemistry I
Time:02:30 PM TO 05:30 PM Total Marks: 80
Seat No.: Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
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B.PHARM - SEMESTER - 2- EXAMINATION -WINTER - 2018Subject Code:BP202TP Date: 11/12/2018
Subject Name: Pharmaceutical Organic Chemistry I
Time:02:30 PM TO 05:30 PM Total Marks: 80
Instructions:
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- Attempt any five questions.
- Make Suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
- (a) Give the structure and uses of the following (06)
(1) Paraldehyde (2) Salicylic acid (3) Cetosteryl alcohol--- Content provided by FirstRanker.com ---
(4) Vanilin (5) Chloral hydrate (6) Ethylenediamine
(b) Explain in detail about Grignard reaction for the synthesis of Alkanes and Alcohols. (05)
(c) Write a note on Aldol condensation. (05) - (a) What is isomer? Classify structural isomer with examples. (06)
(b) Give three methods for synthesis of alkenes. (05)--- Content provided by FirstRanker.com ---
(c) Mention any three Nucleophilic addition reactions for aldehydes. (05) - (a) Write a note on Benzoin condensation & Perkin condensation. (06)
(b) Write the mechanism and limitations of Friedel-Crafts acylation of Ketones. (05)
(c) Give the uses of paraffin. Discuss about stability of conjugated dienes. (05) - (a) Give general method for preparation and reaction of aliphatic amines. (06)
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(b) Write short notes on SN2 reaction in detail. (05)
(c) Differentiate between E2 and E1 mechanism of elimination with example. (05) - (a) Differentiate Markownikoff’s addition and Anti-markownikoff’s addition to alkene. (06)
(b) Describe the factors affecting the E1 and E2 reaction. (05)
(c) Write name of qualitative tests for identification of carboxylic acid, ester, amide, alcohol and aliphatic amine. (05) - (a) Comment: (06)
(1) Order for basicity of amine is 2°>1°>3° in aqueous solution.
(2) Carboxylic acid is less stable as compare to its anion form.
(3) Bromination of alkane is more selective then chlorination.
(b) State the Saytzeff rule. What is pyrolysis? Give general reaction of pyrolysis for alkane. (05)--- Content provided by FirstRanker.com ---
(c) Write the structure and IUPAC name of followings: (1) Neopentane (2) Isopentane (3) Allylbromide (4) Isopropanol (5) Vinyl chloride (05) - (a) Explain cannizzaro and cross cannizzaro reaction with mechanism. (06)
(b) Write note on Diel-Alder reaction. (05)
(c) Describe ozonolysis of alkene in detail. (05)
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