PHARMACEUTICAL ANALYSIS-I, QUESTION PAPER
1. Discuss the principle, instrumentation and application of Potentiometry in drug analysis (10)
2. Explain masking and demasking agent. Write in short about polarography. (10)
3. Define oxidation and reduction. Write the equivalent weight of following agents: Oxalic acid, sodium thiosulphate, and potassium permanganate in acidic, basic and neutral medium. (3+7)
4. List the name of drugs that can be assayed by non-aqueous titration. Explain why it is necessary to keep temperature uniform in non-aqueous titration. (10)
5. How would you detect end point in oxidation and reduction titration? Write the procedure to prepare and standardized 0.1 N iodine solution. (5+5)
6. Discuss the Principle and application of Oxygen flask combustion method. Write shorts about gasometry. (10)
7. Discuss different aspects like solubility product, common ion effect and complex ion formation. Explain the effect of temperature and solvent on the precipitate. (10)
8. Define the following terms; (2*5)
a. Mole b. Morality c. Normality
d. Diffusion current e. Bromometry
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