Master of Science I (Chemistry)Examination: Oct Nov 2016
Semester II (New CBCS)
SLR No. Day
Date Time Subject Name Paper No. Seat No.
SLR SD
169
Tuesday
22/11/2016
10.30 AM
to
01.00 PM
Physical Chemistry II
C
VII
Instructions: Answer in all five questions.
All questions carry equal marks.
Section-I is compulsory.
Attempt any two questions from Section II
Attempt any two questions from Section III
Use of log table and calculators in allowed.
Total Marks:70
SECTION I
Q.1 Answer the following: 14
State Franck-Condon principle.
What do you meant by singlet and triplet states?
Represent one alkali storage cell.
List the basic constituents of a biological cell.
Sketch energy profile diagram for endothermic reaction.
Define ionic strength of a solution.
Give any two important green house gases.
Define excimer.
What is zeta potential?
Molecularity and order of a chemical reaction is always same. [True/False]
Write down the Nernst equation and give the significance of the terms
involved.
ISC is spin allowed/forbidden transition.
Why Ozone layer is called as an Earth's protective umbrella?
Mention basic units of DNA.
SECTION II
Q.2 With the help of steady state approximation, discuss kinetics of
hydrogen-halogen reaction.
07
Describe the method of determination of dissociation constant of monobasic
acid using emf data.
07
Q.3 Illustrate Stern's model of electrical double layer. 07
Discuss spectral characteristics of E type and P type delayed fluorescence. 07
Q.4 Give an account of various photophysical processes using Jablonski's
diagram.
07
Discuss kinetics of bimolecular quenching process. 07
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SECTION III
Q.5 Illustrate the influence of ionic strength on the rates of ionic reactions. 05
With suitable examples discuss photooxidation reactions. 05
H2 and I2 reactions takes place as H2 I2 2HI(g)
Show that ½ d k The proposed mechanism of the reaction
is
I2 2I fast equilibrium step ii) H2 2I 2HI slow step
04
Q.6 Discuss the bioenergetics of biochemical reactions. 05
Distinguish between eukaryotic and prokaryotic cells. 05
Write on different possible electronic transitions. 04
Q.7 Write a note on any three of the following: 14
Ozone decomposition reactions.
Excimer and exciplex formation and their emission features.
Gouy-Chapmann model of electrical double layer.
Synthesis of ATP