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Paper Code: 40254
B-1054
M.Sc. Chemistry (Semester First) Examination, 2025
Group Theory
Time: Three Hours | [Maximum Marks: 70
Note: Attempt all the Sections as per instructions.
Section-A (Short Answer Type Questions)
Note: Attempt any four questions out of the following.
Each question carries 07 marks. Answer are not exceeding 300 words.
1. Explain the relation between orders of finite groups and its sub-group.
2. Define group, symmetry operations point symmetry group.
3. Explain the Bragg’s condition and Miller indices.
4. What do you mean by absolute configuration of molecules?
5. Explain the Ramachandran diagram.
6. Write about character tables and their uses.
7. What do you mean by structure factor its relation to intensity and electron.
8. What do you mean by magnetic scattering also write its uses for structure elucidations.
M.Sc Chemistry (Group Theory) 1st Year Question Paper 2025 Pdf
Section-B
(Long Answer Type Questions)
Note: Attempt any three questions out of the following.
Each question carries 14 marks. Answer required not exceeding 600-800 words.
9. Explain in detail the great orthogonality theorem and its importance.
10. Write in details about spectroscopy and its importance in details.
11. Write the method of Debye-Scherrer for x-ray structural analysis of crystals.
12. What do you mean by electron diffraction? Explain the elucidation of structure of simple gas phase molecules.
13. What is unit cell? Write about identifications of unit cells from systematic absence in diffraction pattern.
14. Write about neutron diffraction technique. Also write the measurement techniques and elucidation of structure magnetically.
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