DISTANCE EDUCATION
M.Sc. (Chemistry) DEGREE EXAMINATION,
DECEMBER 2017.
INORGANIC CHEMISTRY I
(2008 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
Each question carries 20 marks.
× 20 100)
1. Derive Born Lande equation. Explain its
importance.
Give any five properties of ionic compounds.
Discuss the hybridisation and structure of XeF4 and
XeF6.
2. Describe briefly the crystal structures of CdI2 and
nickel arsenite.
Discuss briefly the metal excess and metal
deficiency defects with suitable examples.
What are transistors and rectifiers? Explain.
Sub. Code
12
DE-2962
2
Ws2
3. What is C14 dating? Explain its applications.
Discuss the principle and applications of neutron
activation and isotopic dilution analysis.
Discuss in detail any two methods to detect and
measure radiations.
4. What are lanthanides and actinides? Explain briefly
their position in the periodic table.
Describe briefly the separation of lanthanides by
ion-exchange and solvent extraction techniques.
Give the uses of lanthanides and their compounds.

5. What are silicates? Discuss the structures of mica
and zeolites.
What are anderson and keggin structures? Explain
them with suitable examples.
What are pyroxenes and amphiboles? Explain their
structures.
6. Give the preparation of 12-phophotungstic acid.
Discuss its structure in detail.
Write a note on the oxidation states and spectral
properties of actinides.
What is meant by lanthanide contraction? Explain
its consequences in detail.
7. Discuss briefly the spallation and fragmentation
nuclear reactions.
Discuss the basic principle of atom bomb and
hydrogen bomb.
What are nuclear models? Discuss briefly the liquid
drop and shell models.
DE-2962
3
Ws2
8. Compare VB and MO theories.
What are the postulates of VSEPR theory? Based on
VSEPR theory discuss the structures of XeF2 and
PCl5.
Describe briefly the concept of multi centre bonding
with a suitable example.
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