Jawaharlal Nehru Technological University Hyderabad 2010-1st Sem B.Pharm Second Year, (ember-) Physical Pharmacy-I - Question Paper

B. Pharm [JNTU (H)]
Second Year, 1st Semester exam (November-2010)
Physical Pharmacy-I

Time: three Hours Max. Marks: 75

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

Ques one a) Derive a buffer formula for an acid buffer with suitable example. (15)
Ques one b) define briefly about the biological buffer systems.
Ques one c) describe buffer capacity and write relevant equations with factors influencing buffer capacity.

Ques two a) describe critical temperature and mention its significance. (15)
Ques two b) Under what conditions real gases behave like ideal gases. discuss with the help of suitable formula.
Ques two c) Write about phase rule with its significance.

Ques three a) discuss Modern theories of electrolytic dissociation of Strong electrolytes. (15)
Ques three b) define the deviations from Arrhenius theory of electrolytic dissociation.

Ques four a) discuss different theories of acids and bases with relative merits and demerits. (15)
Ques four b) Derive an expression for estimating the pKa value of weak acid.

Ques five a) State and discuss Hess legal regulations of contact heat summation with suitable examples. (15)
Ques five b) State 3 laws of thermodynamics and discuss 3rd legal regulations in detail.

Ques six a) define the principle, construction and working of Abbe's refractometer. (15)
Ques six b) What is meant by dielectric constant? How is it determined?

Ques seven a) With the help of a neat diagram discuss the working of Daniel cell. elaborate its applications? (15)
Ques seven b) Name the various kinds of electrodes, discuss about glass and hydrogen electrodes with neat diagram.

Ques 8) Write short note on: (15)
a) Isotonicity.
Ques eight b) Concentration expressions.
Ques eight c) Colligative properties.
Ques eight d) Fick's laws of diffusion.

Earning:   Approval pending.