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Monday, December 28, 2015

2010 Question Paper,Second Year B.Pharmacy,2.1 : PHYSICAL PHARMACY,University Of Pune Question Paper

University Of Pune Question Paper
Second Year B.Pharmacy Examination, 2010
 (2008 Pattern)
Time : 3 Hours Max. Marks : 80
Instructions: 1) Answers to the two Sections should be written in separate
2) Neat diagrams must be drawn wherever necessary.
3) Black figures to the right indicate full marks.
4) All questions are compulsory.
1. Attempt any one : 10
Explain the DLVO theory and its pharmaceutical application. Highlight the stability
of a lyophobic sol.
What is critical constant ? Explain the different methods of liquefaction of gases.
2. Attempt any five (3 marks each) : 15
i) Explain the different binding forces between molecules.
ii) Derive Gibbs phase rule.
iii) Define glass transition temperature.
iv) What are ideal and real solutions ?
v) Discuss solubility of weak electrolytes.
vi) Enlist applications of colloids.
vii) Define law of corresponding state.
3. Write short notes on any three (5 marks each) : 15
i) 2 component system.
ii) Protective colloids.
iii) Debye Huckel theory.
iv) Solute solvent interaction.
v) Van der Waals equation for real gases.
4. Attempt any one : 10
Classify rheological systems along with examples. Add note on Cupe and Bob
Explain the different methods for the determination of order of a reaction.
5. Attempt any five (3 marks each) : 15
i) Define rate determining step, order of reaction and molecularity of reaction.
ii) What are surfactants ?
iii) Flow properties of powders and factors affecting it.
iv) Define and distinguish dissolution and diffusion.
v) Explain Nernst potential.
vi) Enlist applications of rheology.
vii) Discuss apparent zero order reaction.
6. Write short notes on any three (5 marks each) : 15
i) Methods for determining surface area.
ii) USP dissolution test.
iii) Sedimentation method of analyzing the particle size.
iv) Soluble monolayer and Gibbs equation.
v) Effect of temeperature on rate on reaction.

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