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ತೆ (Pages :2) படை ணை கை
‏م16‎ 7२०.....................................
FIFTH SEMES
F TER B.Sc. DEGREE EXAMINATION, NOVEMBER 2018
(CUCBCss—ug)
Chemistry

CHE 5B 08—~PHYSICAL CHEMISTRY—II
Time : Three Hours

Maximum : 80 Marks
Section A

Answer all questions,
Each question carries 1 mark.

ing Fluorescence is
Two examples of lyophilic sols are ५
. 001 ‏عن «رمطستته‎ the protective colloid starch is
. Examples of substances which are efflores
. Example of water in oi] emulsion is

- Twosubstances which are used
are 8

Rf value is defined as

cent under normal conditions are ಅ ಸ್ಮ

ರಾ ‏مم‎ ಲ [ರಿ +~

as adsorbent column (stationary phase) in column chromatography

=

8. Examples of two molecules Possessing improper axis of symmetry are
9. The symmetry elements of the molecule benzene are ५
10. How many rotational and vibrational modes are possible for HCN ?

er

(1031310 marks)
Section B -

Answer any ten questions.
Each question carries 2 marks.

11. What is zeta potential ?
12. What is meant by activated complex ?
| 13. Give a labelled phase diagram of water system.
| 14. Define the term Phase.
i 15. What is homogeneous catalysis ? Give an example.
| 16. Define rate of a reaction.
17. Define improper axis of rotation. Give an example.

ing to Cy, point group.
18. Give two examples of molecules belonging to Cy, SNE