Punjab Technical University 2009 B.Pharm First Semester (ember-) Pharmaceutical Analysis-I - Question Paper

B. Pharm (PTU)
First Semester exam (December-2009)
Pharmaceutical Analysis-I

Time: three Hours Max. Marks: 80

Note: 1) part A is compulsory.
2) Attempt any 4 ques. from part B.
3) Attempt any 3 ques. from part C.

Section-A

Ques one a) Standard deviation. (15×2=30)
Ques one b) learner t-test.
Ques one c) Conjugate acid and conjugate base.
Ques one d) Precision.
Ques one e) Self indication.
Ques one f) Blank titration.
Ques one g) Co-precipitation.
Ques one h) Digestion.
Ques one i) Salt hydrolysis.
Ques one j) Titration curve.
Ques one k) Oxidation number.
Ques one l) Standard reduction potential.
Ques one m) Colloids solution.
Ques one n) Acidimetry.
Ques one o) Buffer solution.

Section-B

Ques 2) explain different theories of neutralization indicator. (4×5=20)

Ques 3) explain titration curve of weak acid with weak base.

Ques 4) define Idometric and Iodimetric assays with suitable examples.

Ques 5) What is the critical role played by common ion effect in gravimetric analysis?

Ques 6) discuss role of solubility product in precipitation reactions governing argentimetric titration methods.

Section-C

Ques 7) elaborate the 2 major kinds of fault encountered in pharmaceutical analysis? discuss with suitable examples. (3×10=30)

Ques 8) What is Volhard's method of argentimetric titration? discuss it with the help of formula and the precautions involved in it.

Ques 9) define measurement of electrode potential and its application in determining equilibrium constant of redox reaction.

Ques 10) Write short notes on:
a) Organic precipitant.
b) Titration of polyprotic acid.

Earning:   Approval pending.