Download OU B.Pharma 3-1 Year 2017 1078 Physical Pharmacy I Question Paper

Download OU (Osmania University) B.Pharma 3-1 (3rd Year 1st Sem) (Bachelor of Pharmacy) 2017 1078 Physical Pharmacy I Previous Question Paper

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Code No. 1078
FACULTY
B. Pharmacy 3/4 I ? Semester (Main) Examination, November 2017
Subject : Physical Pharmacy ? I
Time : 3 hrs Max. Marks : 70
Note : Answer all questions. All questions carry equal marks.
1 a) Explain polymorphism with examples. Write its sinificance. 7
b) Explain the phase diaram for a two component mixtures. 7
OR
c) Write a note on :
i) Differential scannin calorimetry 7
ii) Liquid crystalline state 7
2 a) Explain law of conservation of enery and Hess?s law of constant heat
summation. 8
b) Define, explain and write applications of heat of combustion and heat of
neutralization. 6
OR
c) Define and explain second law of thermodynamics. 7
d) Explain enthalpy and entropy. 7
3 a) State Ralts law. Explain positive and neative deviations of Ralts law. 7
b) Explain the application of any two colliative properties in molecular weiht
determination. 7
OR
c) Explain Arrhenius theory of electrolyte dissociation and its limitations. 7
d) Explain ionization of polyprotic electrolytes. 7
4 a) What are buffers? Derive Henderson Hasselbach equation for acidic buffer. 7
b) Explain cryoscopic method and sodium chloride equivalent method for
adjustin isotonicity. 7
OR
c) What is buffer capacity? Write Vanslyke?s equation for buffer capacity and
maximum buffer capacity. 7
d) How do y prepare a pharmaceutical buffer? 7
5 a) ive the description and workin of lass electrode. 10
b) Write the Nernst equation. 4
OR
c) Explain ion sensitive electrodes. 7
d) How do y determine pKa usin potentiometry? 7
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