Jawaharlal Nehru Technological University Kakinada 2010-1st Sem B.Pharm II BPharmacyRegular , ember- Physical Pharmacy- II - Question Paper

B. Pharm (JNTU-K)
II B. Pharmacy 1st Semester Regular Examination, November- 2010
Physical Pharmacy- II

Time: three Hours Max. Marks: 80

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

Ques one a) discuss with suitable examples, how is the distribution legal regulations replaced for molecular association and dissociation. Derive an formula for estimation of distribution coefficient in such cases.
Ques one b) provide the application of solubility of gases in liquids.

Ques two a) define the applications of complexation in the field of pharmacy.
Qlues two b) Classify complexes and discuss about any 2 classes.

Ques 3) a) describe rate, order and molecularity of a reaction. define the various methods for determining order of a reaction.
Ques three b) What is shelf-life? How it is determined? discuss briefly.

Ques four a) discuss about various adsorption isotherms at solid-gas interfaces.
Ques four b) Enumerate the various methods for determining interfacial tension.

Ques 5) discuss the various methods for determining surface area of powder.

Ques six a) describe Rheology and provide its significance.
Quest six b) discuss the various methods for determining Thixotropy.

Ques seven a) provide the HLB scale and specify its applications in emulsions with examples.
Ques seven b) define the different ingredients used in the formulation of suspension.

Ques 8) provide a detailed note on the subsequent kinetic properties of colloids:
a) Brownian motion
Ques eight b) Diffusion
Ques eight c) Osmotic pressure
Ques eight d) Sedimentation

Earning:   Approval pending.