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, 2017
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 predication of bond
angles in H C H and in CH 3 CH molecule.
2. Describe the shell-model and liquid-drop model of a nucleus.
Write a note on G-M counter.
3. What are Boranes How they are classified Give the structure and bonding in any four of
them.
4. Explain why the molecule of 2 Co and methane presses zero dipole moment.
5. Construct the character table for the point group v C 2 and v C 3 .
6. Write the Bohr theory of compound nucless. Discuss the nuclear reaction of different types.
Explain Q-value and cross-section of nuclear reaction.
7. Explain reducible and irreducible representation. Write the orthogonally theorem and
consequences.
8. Describe the ways in which the actinides resemble their counterpart in lanthanides Give an
account of the chemistry of Neptunium and Plutonium How are Neptunium and Plutonium
Synthesized.
9. Draw molecular orbital diagram of 2 Co and
3 Co . Explain the bond pair and magnetic property
on the basis of the M.O. diagram.
10. Write notes on the following
Carborones.
Uses of some radioisotopes in medical science.