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DU-203

M.Sc. IVth Semester (CBCS) Examination, 2021

Chemistry

Paper - MCH-402

Solid State Chemistry

[Maximum Marks : 60

Note :- All questions from each section carry equal marks. All questions are compulsory and answer limit are approximately 250 words. Start the answer of each section from new page. Maximum limit of pages of answer booklet are approximately 16 pages. Answer should be written by the student in his/her own handwriting mandatory. The first page of answersheet should be download by the student from university website is mandatory.

1.

Write short note on polymorphic transition.

2.

What do you mean by intrinsic defects ?

3.

Give a brief account of effect of temperature on magnetic moment.

4.

Explain the role of conjugated system in electrically conducting solids.

5.

Explain mesomorphic and anisotropic properties of liquid crystals.