M.Sc  S1 Model Examination-2012  (Inorganic Chemistry)   Total wtge -36   Time -3 hrs

Section A  Answer all questions (weightage -1)

1. Calculate the spin only magnetic moment of Cr³⁺

2. Explain the stabilization of unusual oxidation states in complexes.

3. Explain the term Macrocyclic effect.

4. What is meant by Nephelayxetic series?

5. Define conjugate acid base concept

6. Explain the auto ionization of liquid SO₂

7. What are Borides? Give Examples.

8. How carboranes are generally prepared ? Explain with an example.

9. How is P₄S₁₀ is prepared? Give its structure.

10. Explain the different types of carbides with example.

11. What are Q-test and F-test?

12. Discuss the applications of silicones.

13.Describe luminescence indicator with example.

14. what are Ellingham diagrams?

Section B   Answer any seven questions (weightage -2)

15.Discuss any method for the determination of stability constant of complexes.

16. Write a short note on the optical isomerism exhibited by the co-ordination compounds.

17. Explain Jahn-Teller distortion with an example.

18.State and explain Wade’s rule. Give any three examples.

19. Give a short note on super acids.

20. Give an account of the classification of silicates.

21. Describe briefly the theory of acid base indicators.

22. what are Pourbaix Diagrams ? Explain its applications.

23. Discuss the structure and bonding in (PNCl2)3

24. Describe homogeneous precipitation in gravimetric analysis.

Section C   Answer any two  questions (weightage -4)

25.Describe Ligand field theory of Co-ordination compounds.

26. Give a summary of synthesis, reaction, and structure  and bonding of Boranes.

27. Which are the different types of corrosion ? What are the methods for reducing corrosion ?

28. Discuss the classification and minimization of errors in chemical analysis.