Download OU B.Pharma 3-1 Year 2014 7219 S Physical Pharmacy I Question Paper

Download OU (Osmania University) B.Pharma 3-1 (3rd Year 1st Sem) (Bachelor of Pharmacy) 2014 7219 S Physical Pharmacy I Previous Question Paper

PHARMACY
Code No. 7219 / S
FACULTY OF PHARMACY
B. Pharmacy 3/4 I  Semester (Supplementary) Examination, March 2014
Subject : Physical Pharmacy  I
Time : 3 hours Max. Marks : 70
Note : Answer all questions. All questions carry equal marks.
1 a) State Gibbs phase rule. Explain the phase diagram of one component system. 7
b) What is polymorphism? Write its significance with suitable examples. 7
OR
c) i) Differential scanning calorimetry 7
ii) Liquid crystalline state and its applications. 7
2 a) State and explain first law of thermodynamics. 7
b) Define and explain Hesss law of constant summation. Write its applications. 7
OR
c) State and explain second law of thermodynamics. 7
d) Explain free energy function and applications. 7
3 a) How do you measure osmotic pressure. 7
b) Explain activity and activity coefficient. 7
OR
c) State Raoults law. Explain positive and negative deviations of Raoults la w. 7
d) What are colligative properties? Explain the choice of colligative properties in
molecular weight determination. 7
4 a) Explain cryoscopic method and sodium chloride equivalent method for adjusting
isotonicity. 7
b) Explain the influence of buffer capacity and pH on tissue irritation. 7
OR
c) Derive buffer equation for a weak acid. 7
d) Write Van Slykes equation for buffer capacity and maximum buffer capoacity
and its applications. 7
5 a) Write about :
i) Ion sensitive electrode 7
ii) Measurement of pH using glass electrode 7
OR
b) Explain in detail different types of electrodes. 10
c) Write the applications of redox potentials in pharmacy. 4
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