DISTANCE EDUCATION
M.Sc. (Chemistry) DEGREE EXAMINATION, MAY 2018.
PHYSICAL CHEMISTRY II
(2008 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
Each question carries 20 marks.
x 20 100)
1. Explain Fermi-Dirac distribution law.
Give the application of Bose-Einstein distribution law to photon gas.
State and explain the statistical interpretation of third law.
2. Write the application of HMO method to the
construction of molecular orbital of butadiene.
Write a note on
Pauli's exclusion principle
Slater determinant.
3. Identify fundamental modes of vibration of H2O and NH3 molecules.
With the help of group theory discuss the electronic spectrum of HCHO molecule.
4. What is primary and secondary salt effect? Explain in detail.
What is enzyme catalysis? Derive Michaelis-Menton equation and discuss the salient features.
5. Derive Freundlich adsorption isotherm and explain the terms in it. Explain the verification of
Freundlich adsorption isotherm.
How is BET isotherm used in determination of surface area of adsorbent?
What are the factors that affect the adsorption ofgases on solids?
6. Explain the following
Surfactants
Ion-Dipole reaction
Acidity functions. 5
Give the matrix representations for the symmetry elements plane of symmetry, inversion centre and
axis of symmetry.
7. Solve the Schordinger wave equation for hydrogen
atom.
Derive Bose Einstein Statistics.
8. Describe the classification of point group.
Construct the group multiplication table for
C2v point group.
Write a note on direct product representation.
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