Download GTU B.Pharma 2020 Summer 3rd Sem BP301TP Pharmaceutical Organic Chemistry Ii Question Paper

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Seat No.: Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
B.Pharm SEMESTER- III EXAMINATION — SUMMER -2020
Subject Code: BP301TP Date: 26-10-2020
Subject Name: PHARMACEUTICAL ORGANIC CHEMISTRY-II

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Time: 2:30 PM TO 5:30 PM Total Marks: 80
Instructions:
1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

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Q.1 (a) What is aromaticity? Enlist the electrophilic aromatic substitution reaction with example.
(b) Give the Fridal craft reaction of alkylation and acylation in Benzene
(¢) Write a short note on Huckel’s rule.
Q.2 (a) Give the difference between 1) Animal fat vs Plant fat
2) Fats vs Waxes

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(b) Write a short note on saponification value and acid value.
(¢) Write structure and uses of following,
a. Resorcinol
b. Napthalene
c. Diphenyl Methane

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d. Cresols
e. DDT
Q.3 (a) What are Polynuclear aromatic compound and discuss the reaction of naphthalene.
(b) Explain Haworth synthesis,of Anthracene.
(¢) Write structure and uses of following,

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1) Sccharin 2) BHC-3) Phenanthrene 4) Phenol 5) Naphthols
.4 (a) Give the three preparation of aromatic amines and aromatic acids.
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(b) Write a short note on basicity of aromatic Amines.
(¢) What are synthetic uses of diazonium salts?

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Q.5 (a) What are phenol? How they differ from alcohols? Write a note on Reimer-
tiemann reaction.
(b) Explain the Bayer’s strain theory and give the limitation of it.
(¢) Write a note on Strainless theory and give factor affecting stability of conformation.
Q.6 (a) Classify aromatic acids and give reaction of benzoic acid.

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(b) Discuss the mechanism of cumene process for phenol synthesis.
(¢) Write three reaction cyclopropane and cyclobutane.
Q.7 (a) How will you convert phenol in to:
1) Salicylic acid 2) Anisole 3) Benzene 4) Phenyl acetate
5) Phenelote

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(b) Explain effect of substitutes on acidity of Aromatic acids.
(¢) Discuss Qualitative test for Phenol.
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