THE TAMIL NADU DR. M.G.R. MEDICAL UNIVERSITY
(LM 2003) MARCH 2018 Sub. Code: 2003
B.PHARM. DEGREE EXAMINATION
PCI Regulation SEMESTER I
PAPER II PHARMACEUTICAL ANALYSIS I
Q.P. Code: 562003
Time: Three hours Maximum: 75 Marks
I. Elaborate on: Answer any TWO questions. x 10 20)
1. Explain various types of argentimetric titrations with example.
2. With the help of a neat diagram, explain the construction and working of dropping
mercury electrode.
3. Describe on types of errors and methods of minimizing errors.
Briefly discuss on the limit test for iron.
II. Write notes on: Answer any SEVEN questions. x 5 35)
1. Briefly explain the theories of acid-base indicators.
2. Discuss on Diazotization titration.
3. Explain the general applications of conductometric titration.
4. Explain the principle involved in the estimation of sodium benzoate.
5. Describe on various steps involved in gravimetric analysis.
6. Write the reactions with equation for the estimation of magnesium sulphate.
7. Explain the principle and applications of cerimetry.
8. Write the construction and working of calomel electrode.
9. Explain on various solvents used in non aqueous titration.
III. Short answers on: Answer ALL questions. (10 x 2 20)
1. What is masking agent? Give an example.
2. Distinguish between iodimetry and iodometry.
3. Define titration curve.
4. What is meant by half-wave potential? Write its significance.
5. Give any two important applications of potentiometry.
6. What is dichrometry?
7. Define primary and secondary standards with example.
8. Classify complexometric titrations with example.
9. Write the Ilkovic equation and explain on each term.
10. Mention the types of redox titrations.