M.Sc. DEGREE EXAMINATION, APRIL/MAY 2018.
Second Semester
Organic Chemistry
Paper IV CHEMICAL GROUP THEORY, SPECTROSCOPY AND CONCEPT OF
EQUILIBRIUM
(Old Syllabus)
2 20124
Time 3 Hours Max. Marks 75
SECTION — A
Answer any FIVE questions. 5 25 Marks)
1. Explain character table of C2v point group.
2. Write the Mullikan symbolism rules of IR's.
3. Explain Kramer degeneracy.
4. Explain about crystal field splitting.
5. Describe the principle of Mossbauer spectroscopy.
6. What is the Isomer shift?
7. Write a note on Acid base titration.
8. Explain theory of adsorption indicators.
SECTION — B
Answer ALL questions. 12 2
1 50 Marks)
9. How do you construct the H2O molecules characters table using orthogonality
theorem?
Or
10. Define Reducible and Irreducible representation. Explain character table of C3v
point group.

11. Write a note on factors affecting value and determination of value.
Or
12. Explain basic principles, theory of ESR. Explain comparison of NMR and ESR.
13. Describe the instrumentation and selection rules of Mossbauer spectroscopy.
Or
14. Explain low spin, high spin Fe(II) and Fe(III) complexes.
15. Define precipitation reactions and precipitation titrations.
Or
16. Explain Effect of electrolytes on chemical equilibria Theory of pH indicators.
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