Download GTU (Gujarat Technological University Ahmedabad) B.Pharma (Bachelor of Pharmacy) 2018 Winter 3rd Sem 230004 Pharmaceutical Analysis I Previous Question Paper
Seat No.: ________ Enrolment No.______________
GUJARAT TECHNOLOGICAL UNIVERSITY
B.PHARM ? SEMESTER ? 3- EXAMINATION ?WINTER - 2018
Subject Code:230004
Date: 12/12/2018
Subject Name: Pharmaceutical Analysis - I
Time:10:30 AM TO 01:30 PM
Total Marks: 80
Instructions:
1. Attempt any five questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) What is analytical method validation? Enlist validation parameter. Discuss any
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two parameters in detail.
(b) Define hydrolysis and Derive equation for finding pH of aqueous solution of
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salt of strong acid and weak base.
(c) Describe sampling techniques.
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Q.2 (a) What is error? Write types of errors and how they minimized.
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(b) Differentiate between QA and QC.
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(c) Give a detailed account of Oxygen combustion flask method.
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Q.3 (a) Explain the terms: (i) Co-precipitation (ii) Post precipitation (iii) Solubility
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product
(b) Discuss in detail about Diazotization nitrite titration.
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(c) Write a note on Karl-Fischer titration.
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Q.4 (a) Write a short note on Common ion effect and ionic product of water.
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(b) Write a note on pM indicators.
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(c) What is gravimetric analysis? Enlist the steps involved in gravimetric analysis.
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Q.5 (a) Explain redox indicators in detail.
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(b) What is buffer? Derive Henderson-Hasselbach equation.
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(c) Explain Kjeldahl method for determination of nitrogen.
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Q. 6 (a) Write a brief note on types of non aqueous solvents and leveling and
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differentiating effect of solvent.
(b) Give the difference between followings with suitable example
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(1) Iodometric titration and Iodimetric titration
(2) Masking agent and Demasking agent
(c) Explain law of mass action.
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Q.7 (a) Comments: (1) Nitrobenzene is used in Volhard's method
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(2) KMnO4 is not a primary standard compound.
(3) Electrolyte solution is used for wash precipitate.
(b) Write explanatory note on: Continuous extraction.
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(c) Discuss in detail about Fajan's method.
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This post was last modified on 04 March 2021