Jawaharlal Nehru Technological University Kakinada 2010 B.Pharm Physical Pharmacy-I - Question Paper

B. Pharm [JNTU (K)]
First Year Regular Examination, May 2010
Physical Pharmacy-I

Time: three Hours Max. Marks: 80

Note:
1) Answer any 5 ques. from the subsequent.
2) All ques. carry equal marks.

1) a) Differentiate ranging from the Ideal and Real Solutions with examples.
b) Describe different methods of Liquefaction of Gases.

2) Give a note on the following:
a) Thermodynamic systems with examples
b) Enthalpy
c) Applications of 2nd legal regulations of Thermodynamics
d) Free energy

3) a) Explain Optical Rotation and Optical Rotary Dispersion with their significance.
b) Define Snell's legal regulations. define applications of R.I.
c) A solution of acetic acid is prepared by adding 164.2gm of the acid to sufficient water to make 800ml of solution. The density of solution at the temperature is 1.026gm/cm3 (molecular mass of acetic acid is 60gm/mol). compute molarity and mole fraction.

4) a) Derive an expression for determination of molecular mass of a solute using lowering of vapor pressure.
b) Define Colligative Property and discuss how B.P. elevation is 1 of the colligative property?

5) a) Explain the Postulates of Debye Huckel theory.
b) Give a note on Polymorphism.

6) a) provide cell representation for Hydrogen and Calomel electrodes.
b) Describe the construction and working of Glass Electrode.
c) List 4 applications of Oxidation-Reduction systems.

7) a) Derive a Buffer formula for an acid buffer with suitable example.
b) Explain about Biological Buffer Systems.
c) Describe Class-II methods of adjusting tonicity.

8) Give a short note on:
a) Theories of Acids and Bases
b) Buffer Capacity
c) Surface Tension and its significance
d) Poiseuille's legal regulations

Earning:   Approval pending.