M.Sc-M.Sc Chemistry 1st Year Paper - IV : PHYSICAL CHEMISTRY (Acharya Nagarjuna University - Center for Distance Education, Guntur, Andhra Pradesh-2013)

(DCHE 04) NR M.Sc. (Previous) DEGREE EXAMINATION, MAY - 2013 
First Year 
Chemistry 
Paper - IV : PHYSICAL CHEMISTRY 

Time : 03 Hours                                                                            Maximum Marks : 80

Section - A (4 × 8 = 32) 

Answer any Four questions 

1) Derive Thermodynamic phase rule. 
2) State and explain second law of Thermodynamics and write its applications. 
3) Explain radiocarbon dating and isotope dilution analysis. 
4) What are conductors, semiconductors and insulators? Write their applications. 
5) How do you determine surface area of solids by BET method? 
6) How do you explain the anamolous behaviour of strong electrolytes? 
7) Distinguish between homogeneous and heterogeneous catalysis with suitable examples. 
8) Write and explain photochemical reaction and mechanism of Hydrogen and Bromine. Section - B (4 × 12 = 48) 
Answer All questions 9) a) Explain Maxwell partial relation-ships 
OR 
b) Write about : 
i) Partial molar quantities. 
ii) Vant Hoff reaction isotherm. 
10) a) Explain Bragg’s equation, Bravais lattices and Miller indices. 
OR 
b) Describe compound nucleus theory. 
11) a) Derive an equation for EMF of a cell without transference. 
OR 
b) Define standard electrode potential and write its determination. Add a note on 
concentration cells. 12) a) Discuss the mechanism of acid base catalysis and primary salt effect. 
OR 
b) Write note on : 
i) Photosensitization. 
ii) Photochemical chain reactions. 
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