Karunya University 2007 M.Sc Chemistry PHYSICAL - I - Question Paper

Reg. No. ________
Karunya University
(Declared as Deemed to be University under Sec.3 of the UGC Act, 1956)

End Semester exam – May / June 2009

Subject Title: PHYSICAL CHEMISTRY - I Time : three hours
Subject Code: CH320 Maximum Marks: 100

ans ALL ques. (5 x 20 = 100 Marks)

Compulsory:

1. a. State phase rule. explain the derivation of the phase rule.
b. Draw phase diagrams for any 1 of the two- component system.

2. a. State 1st legal regulations of thermodynamics. provide mathematical statement of 1st legal regulations. (2+8)
b. Define enthalpy. How it is useful in chemical reactions. (10)
(OR)
3. a. Derive Gibbs – Helmholtz formula. (10)
b. Give maxwell’s relationships in free energy. (10)

4. a. Explain the concept of chemical potential. elaborate the factors that effect chemical
Potential (10)
b. Derive Gibbs-Duhem formula. (10)
(OR)
5. a. Define Ideal solutions and its behaviour.
b. Define chemical equilibrium
c. Write briefly about application of thermodynamics

6. Derive Maxwell Boltzmann distribution legal regulations indetail.
(OR)
7. a. Explain Bose Einstein’s statistics (10)
b. Derive Fermi-Dirac statistics (10)

8. a. Derive Debye’s theory of crystal Heat capacities. (10)
b. What is decomposition potential (10)
(OR)
9. Discuss Gouy-Chapman theory.

Earning:   Approval pending.