PTU B-Pharma 1st Semester May 2019 46203 PHARMACEUTICAL ANALYSIS I Question Paper

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Total No. of Pages : 02

Total No. of Questions : 10

B.Pharma (2011 to 2016) (Sem.-1)

PHARMACEUTICAL ANALYSIS-I

Subject Code : BPHM-103

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M.Code: 46203

Time: 3 Hrs.

Max. Marks : 80

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of FIFTEEN questions carrying TWO marks each.

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2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains FOUR questions carrying TEN marks each and students have to attempt any THREE questions.

SECTION-A

1. Answer briefly :
   1. What is common ion effect?
   2. Which parameter is used to compare strengths of two acids?

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   3. Give examples of two self indicating titrants.
   4. Define Peptization.
   5. Which indicator will you prefer for titration of acetic acid against sodium hydroxide?
   6. Give Nernst equation and its significance.
   7. What special treatment is given to water while preparing sodium thiosulphate solution?

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   8. Give examples of four redox indicators.
   9. Define supersaturation.
   10. How precision of an experiment can be increased?
   11. What is buffer and buffer capacity?
   12. Define formal potential.

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   13. Explain the principle of back titration.
   14. What are argentimetric titrations?
   15. Define organic precipitants.

SECTION-B

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2. How to minimize systematic errors?
3. What are neutralization curves? Explain giving examples of each type.
4. Describe Mohr's method in precipitation titrations.
5. Write a note on thermogravimetric curves of copper sulphate.
6. Differentiate between co-precipitation and post precipitation.

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SECTION-C

7. What is gravimetric analysis? Discuss principle and steps involved in gravimetric analysis.
8. What is the importance of quantitative analysis in quality control of pharmaceuticals?
9. Explain the concept of oxidation and reduction. Write detailed note on redox titrations.
10. Give elaborate account on titration involving sodium-2,6-dichlorophenol indophenols.

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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.