DISTANCE EDUCATION
M.Sc. (Chemistry) DEGREE EXAMINATION, MAY 2016.
INORGANIC CHEMISTRY I
(2008 Onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
Each question carries 20 marks.
20 100)
1. Based on VSEPR theory, explain the structure of
XeF2 ,XeF4 and XeF6 .
Explain the bonding in CO in terms of VB and MO
theories.
State and explain briefly the HSAB principle.
2. KCl is more subjected to Schottky defect than
Frenkel defect. Explain.
How does band theory explain n-type and p-type
semiconductors?
Explain briefly the crystal structures of NaCl and
rutile.
3. What is nuclear fusion? Explain briefly.
Discuss briefly any two nuclear models.
Write a note on neutron activation and isotopic
dilution analysis.
Sub. Code
12
DE-3842
2
ws 15
4. How are lanthanides extracted from monozite sand?

Discuss briefly the magnetic properties of
lanthanides and actinides.
What is meant by lanthanide contraction? Explain
its consequences.
5. How is 12-phosphotungstic acid prepared? Discuss
its structure.
Explain the structure of ortho and metasilicates.
What are Zeolites? Discuss briefly the structure of
Zeolites.
6. Explain briefly the concept of multi center bonding
with suitable example.
Discuss the importance of Born-Haber cycle.
Give the MO diagram of N2 molecule. Calculate its
bond order from the MO diagram.
7. What is photovoltaic cell? Explain its applications.

Explain the crystal structure of CsCl and CdI2 .
What is C14 dating? Explain its applications.
8. Explain how the lanthanides are separated by ionexchange
chromatography and solvent extraction
methods.
What are isopoly and heteropolyacids? Explain
them with one example each.
Write a note on nuclear reactors.