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, 2016
Time 3 Hours. Full Marks 80
Answer any FIVE Questions.
All questions carry equal marks.
1. What do you mean by Gibb's function of Gibb's free energy How Gibb's free energy vary
with pressure and temperature.
2. What is meant by chain reactions What are steps involved in chain reactions Explain this
reaction with reference to the reaction, H 2 Br 2 2HBr and derive a mathematical
equation. Give the characteristics of chain reactions.
3. Explain the term entropy. Give the physical significance of entropy.
4. What does you mean by the term polarography What is Iskovie equation. Derive it giving
the meaning of the terms.
5. Define the term adsorption and absorption. Give B.E.T. theory of absorption and what are its
limitations
6. Explain and illustrate the following
Concept of Ensembles
Boltzmann Distribution Law
7. What are the assumption of Debye-Huckel treatment of strong electrolyte theory Give
Debye-Huckel limiting law and give the interpretation of the law.
8. What do you mean by the terms over potential What are the factors which affects over
potential What are significance of over potential.
9. What is Corrosion Give the mechanism of process. How Corrosion is prevented
10. Define polymers with suitable examples. Differentiate between synthetic polymers and natural
polymers. How many types of stereoisomers are possible in the polymerization of monomer. Write the name and their structure of each type.