Download OU B.Pharma 3-1 Year 2019 13257NON CBCS Physical Pharmacy I Question Paper

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Code No. 13257/Non-CBCS

FACULTY OF PHARMACY

B. Pharmacy 3/4 I-Sem. (Non-CBCS) (Backlog) Examination, July 2019

Subject: Physical Pharmacy - I

Note: Answer all questions. All questions carry equal marks.

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1. (a) Write and explain the postulates of the kinetic molecular theory.
   (b) Explain the various methods of achieving liquefaction of gases.
   OR
   (a) Write a note on Gibbs phase rule. Explain the phenol-water system.
   (b) Write the importance of thermal analysis. Explain DSC and DTA with applications.

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2. (a) Explain laws of conservation of energy and meaning of energy balance and its importance in thermodynamics.
   (b) State and explain first law of thermodynamics.
   OR
   (a) Define i) Heat of formation and combustion. ii) Enthalpy and Entropy.
   (b) Write Free Energy functions and applications.

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3. (a) What are ideal solutions and real solution? Explain derivations of Raoult’s law.
   (b) Explain colligative properties of solutions of nonelectrolytes.
   OR
   (a) Explain the concepts of activity and activity coefficients.
   (b) Derive an equation for ionization of weak acids.

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4. (a) Explain different methods for adjusting isotonicity.
   (b) Write a brief note on i) pH indicators ii) Physiological buffer.
   OR
   (a) Derive Henderson-Hasselbalch buffer equation for a weak acid and its salt.
   (b) Write Van Slyke’s equation for buffer capacity and maximum buffer capacity and its applications.

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5. (a) Write a note on different types of electrodes. Explain Hydrogen and Glass electrodes.
   (b) How do you measure EMF of a cell?
   OR
   (a) Write application of Oxidation-Reduction Potentials (Redox potentials) in pharmacy.
   (b) What is catalysis and catalyst? Write types if catalysts, catalytic reactions. Write factors affecting on the catalysis.

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Max. Marks: 70

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