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Tuesday, December 29, 2015

2010 Question Paper,2.5 : PHARMACEUTICAL ANALYSIS – I,Second Year B.Pharmacy,University Of Pune Question Paper

University Of Pune Question Paper
Second Year B.Pharmacy Examination, 2010
(2008 Course)
Time : 3 Hours Max. Marks : 80
 Instructions : 1) Answer three questions from Section I and three
questions from Section II.
2) Question Nos. one and four are compulsory.
3) Answer to the two Sections should be written in
separate books.
4) Black figures to the right indicate full marks.
1. Solve any one :
i) Discuss various methods for calculation of equivalent of redox substances.
Classify redox indicators. Write a note on Cerriomeric titration. 10
ii) Explain in details about applications and instrumentation of polarimeter. Add
a note on optical activity. 10
2. Solve any five : 15
i) Discuss in brief various solvents used in non aqueous titration.
ii) What is buffer index ? Write equation to calculate buffer index.
iii) Explain common ion effect. How is it utilized for controlling the concentration
of weak electrolyte.
iv) Explain cotton effect and CD.
v) Explain in brief Sodium nitrate titration.
vi) Give the application of high frequency titration.
vii) Prepare titration curve for Ferrous sulphate with cerric sulphate.
3. Write notes on (any three) : 15
i) Instrumentation of conductometry.
ii) ORD and its application.
iii) Various methods of oxidation – reduction reactions.
iv) Assay of Sulphanilamide.
v) Theory of buffer solution.
4. Discuss various indicators used in precipitation titration. And give the effect of
pH, ligand and valency of metal ion on stability constant. 10
What is co-precipitation and how it is reduced ? Add a note on post-precipitation. 10
5. Solve any five : 15
i) Write assay of Calcium gluconate as per I.P.
ii) Calculate pH of 0.01 M acetic acid solution (pKa – 4.76).
iii) Discuss on types of EDTA titration.
iv) Explain concept of complexation and chelation.
v) Give the application of potentiometry.
vi) Explain common ion phenomenon. How it is utilized for controlling the
concentration of weak electrolyte ?
6. Write short note on any three : 15
i) Oxygen flask combustion.
ii) Metalochromic indicators.
iii) Filtration.
iv) Mohr’s methods.
v) Factors affecting stability constant.

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