22.

28.
24.
25.
26.
27.
28.
29.
30.

31.
32.
33.
34.

2 0 111,
Explain the crystal field splitting in square planar complexes.
Give the structure and use of Wilkinson’s catalyst.

Briefly describe the structure of Fe,(CO)g.

(Ni(CN),]?- is diamagnetic whereas ॥ (697 15 paramagnetic. Explain.
Give the structure and significance of cisplatin.

Write a note on trace elements in biological system.

Briefly describe the limitations of valence bond theory.

How is steel classified ?

(5 x 4 = 20 marks)
Section C (Paragraph)

Answer at least four questions.

Each question carries 7 marks.

All questions can be attended.
Overall Ceiling 28.

Explain lanthanide contraction, its cause and consequences
Write a note on factors influencing stability of complexes.
Briefly describe the toxicity of lead and mercury.

Describe zone refining and electrolytic refining.

Explain preparation and bonding in ferrocene.

Give a brief account of structural isomerism of co-ordination compounds

Give a comparison of 3d, 4d and 5d transition series.

Write a note on application of complexes in qualitative and quantitative analysis
(4 x 7 = 28 marks)
Section D (Essay)

Answer any two questions.

Each question carries 11 marks
Describe the metallurgy of Aluminium

Write notes 3 .
ite notes on (a) Sodium potassium pump ; (b) Biochemistry ட்விட்‌
19180 Of calcium.
uss the M.O. theory of octahedral complexes with onlyo bond
0 bond.

Give an accoun
t of the preparati u
preparation, Properties, structure and uses of pota
of potassium dichromal-

(9 11 = 99 marks)

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