DISTANCE EDUCATION
M.Sc. (Chemistry) DEGREE EXAMINATION, MAY 2017.
PHYSICAL CHEMISTRY — I
(2008 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
Each questions carries 20 marks.
× 20 100)
1. State and explain nernst heat theorem.
Derive Gibb's Duhem equation of chemical
potential.
Define activity and activity co-efficient.
2. What is meant by the term fugacity? Discuss the
determination of fugacity of a real gas.
Give a detailed study of different types of electrodes
with example.
Write note on transport number.
3. Derive butler volmer equation.
Describe the applications of conductivity
measurements.
Write and explain Debye-Huckel Onsager equation.

Sub. Code
13
DE-661
2
wk7
4. Explain teh following in detail
Entropy
Reaction isotherm
Eigen value and eigen function
Hydrated electron.
5. Discuss the postulates of quantum mechanics.
Derive and solve schrodinger wave equation for
particle in an one dimensional box.
6. State and explain Heisenberg's uncertainty
principle.
Discuss the role of mathematical functions in
quantum chemistry.
What are potential energy surfaces? Explain.
7. What are fast reactions? Give and explain any one
method to study fast reaction.
Discuss the applications of ARRT to bimolecular
reactions.
Write note on Kinetic isotopic effect.
8. Discuss various photo physical processes takes place
in electronically excited molecule.
Give a detailed study of solar energy conversion.
State any two laws of photochemistry.