Gujarat Technological University 2010-3rd Sem B.Pharm BPharmacy Regular / Remedial Pharmaceutical Chemistry- III - Question Paper
Saturday, 20 July 2013 08:35Web
Seat No.: _____ Enrolment No.______
GUJARAT TECHNOLOGICAL UNIVERSITY
B. Pharmacy Sem-III Regular / Remedial exam Dec. 2010
Subject code: 230003
Subject Name: Pharmaceutical Chemistry- III
Date: 15 /12 /2010 Time: 10.30 am – 01.30 pm
Instructions: Total Marks: 80
1. Attempt any 5 ques..
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) What is a chemical bond? discuss various kinds of bonds & their
properties.
06
(b) discuss Hybridization and Hybrid orbitals. 05
(c) What is bonding & antibonding orbitals?- discuss in detail. 05
Q.2 (a) Enlist the various reactive intermediates of carbon. Enlist the
difference ranging from Carbenes & Nitrenes.
06
(b) What is a free radical? provide at lowest 5 reactions involving free
radicals.
05
(c) discuss the Intermolecular & Intramolecular forces. 05
Q.3 (a) provide the general structure, properties, nomenclature, preparation and
reactions of Alkyl halide.
06
(b) discuss in detail the Electrocyclic cycloaddition. 05
(c) explain in detail the Carbocation & Carbanion. 05
Q.4 (a) What is an orbital? provide a few account on Atomic orbitals &
Molecular orbital theory.
06
(b) provide the properties & reactions of Nitrinium ions. 05
(c) Derive the wave formula. 05
Q.5 (a) elaborate Dienes? provide the general structure, properties, preparation
& reaction of Dienes.
06
(b) provide a few reactions of Alkanes. 05
(c) discuss electronegativity and polarity of bonds & molecules. 05
Q. six (a) How 1 can determine molecular formula and weight? – discuss
with suitable examples.
06
(b) provide a few reactions of Cycloalkanes. 05
(c) provide methods of preparation for alkenes, alkynes and alcohols. 05
Q.7 (a) elaborate Sigmatropic reactions? – discuss with examples. How the
neighboring group affects these reactions?
06
(b) What is an Epoxide? elaborate the differences ranging from Ether &
Epoxide? provide the methods for preparation of Epoxide.
05
(c) discuss the resonance and hyperconjugation. 05
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