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-II
(Inorganic Chemistry)
Annual Examination, 2016
Time 3 Hours. Full Marks 80
Answer any FIVE Questions.
All questions carry equal marks.
1. State and explain bent rule with suitable examples. Apply Bent rule in the predication of bond
angles in H C H in CH 3 C CH molecule.
2. Describe Wade's Rule and use this rule to establish the structure of
B 6H 6 from its formula.
3. How are lanthanide separated by solvent extraction method Discuss spectral properties of
Lanthanide and actinides.
4. Why two chlorine atoms of Pcl 5 are more reactive than the rest three.
Explain the shape and hybridization of the following
So 3 NH ion
4 X eF 6
5. Construct the character table for the point group C 2v and C 3v .
6. Explain the terms moderator and Reflector, Reactor Coolant an Control materials with
examples.
7. What is Scintillation Describe the Scintillation Counter operation to detect radiation caused
due to radio active substances. What are its advantages over Geiger-Muller Counter.
8. Write symmetric operation in the following molecules
Hcl NH 3 CH 4 H 2O CH 3Cl BF 3 H 2
9. Explain bonding by giving suitable examples and write short notes on Bent rule.
10. Write short notes on the following
Bhore's theory of Compound nucleus.
Paramagnetic behaviour of lanthanide.