N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Chemistry, Part-I
PAPER-I
(Physical Chemistry)
Annual Examination, 2017
Time 3 Hours. Full Marks 80
Answer any FIVE Questions.
All questions carry equal marks.
1. What do you mean understand by Bottzmann distribution Law Derive its mathematical
equation and general form.
2. What are partial molar properties Describe Gibbs Duhem equation thermodynamically. Show
how this equation is useful.
3. What is activity What do you mean by term isonic strength Discuss the activity Co-efficent
of ionic strength.
4. What is half wave potential What are its significance.
5. What are macromolecules What are methods employed for determination of the molecular
weights of polymer Describe scattering method of defoit.
6. What are postulates of Lindemann's theory of unimolecular reaction Derive mathematical
formula for Lindermann mechanism.
7. What are the basic differences between additive polymer and condensation polymer Explain
by means of one example for each.
8. What is butler Volmer equation Derive it.
What is tafal plot Explain clearly.
9. Derive the activated Complex Theory and Compare with Arrhenius Theory.
The hydrolysis of an ester in presence of dilute acid follows first order while that in the
presence of dilute alkali follows 2nd order kinetics, explain.
10. Write notes any Two of the following
Entropy Polarography Over Potential