DISTANCE EDUCATION
M.Sc. (Chemistry) DEGREE EXAMINATION, MAY 2017.
INORGANIC CHEMISTRY II
(2008 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
Each question carries 20 marks.
20 100)
1. Give the IUPAC names of the following compounds:
K4
Cr NH3 6

Co NH3 4Cl2

Pt Cl4 . 1
Discuss the isomerism in square-planar complexes.

State and explain the Jahn-Teller theorem. What
are its consequences?
2. How do the stabilities of chelates differ with
size of the Chelate rings and
number of Chelate rings? 2 2
1
2
1
Sub. Code
22
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Describe the behaviour of a complex which is both
thermodynamically stable and kinetically labile.
What are step wise and overall formation
constants? How are they related? Explain how the
stability constant of complex is determined by
polarographic and spectro photometric methods.
3. What are Tanabe-Sugano diagrams? Explain its
importance with one example.
List out the significance of Racah parameter.
Explain how 10 Dq can be determined for Ni
octahedral complexes.
Predict the d-d absorption spectrum of
NiCl4 .
4. Write a note on acetylene complexes.
Explain the oxidative addition and reductive
elimination with suitable examples.
What are metallocenes? Explain the structure and
bonding in ferrocence.
5. What are the factors affecting 10 Dq values?
What are complementary and non-complementary
reactions? Explain with suitable examples.
What are inner sphere and outer sphere complexes?
Explain the mechanisms for the formation of these
complexes with suitable examples.
6. Explain the functions of hemoglobin and myoglobin
with structure. Discuss briefly the Perutz
mechanism to explain the function of hemoglobin
and myoglobin.
Discuss the structure and function of
carboxypeptidase A.
Write a note on sodium ion pump.
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7. What is meant by chelating agent? Explain the
importance of any three chelating agents in
medicine.
Sketch the structure and discuss the biological
activity of vitamin B12.
Discuss in detail on Vaska's compound.
8. Sketch the possible geometrical isomers for

Cr NH3 2Cl4 . Which of these isomers will exhibit
optical isomerism?
List out the postulates and limitations of CFT.
Discuss the site preferences in Spinnels.