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FIFTH SEMESTER U.G. DEGREE EXAMINATION, NOVEMBER 2021
(CBCSS—UG)
Chemistry
CHE 5B 08—PHYSICAL CHEMISTRY-II
(2019 Admissions)
Time : Two Hours Maximum : 60 Marks
Section A (Short Answers)

Answer at least eight questions.
Each question carries 3 marks.
All questions can be attended.

Overall Ceiling 24.

1. Define temper coefficient of a chemical reaction.

2. What is meant by steady-state approximation ?

3. Give the mathematical expression for Freundlich adsorption isotherm and explain the terms.
4. Discuss briefly the theory of homogeneous catalysis.
5. What is triple point ? What are its characteristics ?

6. What is the maximum number of phases possible for two component systems ?
7. What are condensed systems ? Give the phase rule for condensed systems.
8. What do you mean by finger print region in IR spectra ?
9. State and explain mutual exclusion principle.
10. What is Frank-Condon principle ?
11. How many ESR signals are given by methyl radical ?
12. State Stark-Hinstein’s law of photochemical equivalence.

(8 x 3 = 24 marks)

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