GTU B.Pharm 2018 Winter Question Papers || Gujarat Technological University
Subject Code:230004 Date: 12/12/2018
Subject Name: Pharmaceutical Analysis - I
Time:10:30 AM TO 01:30 PM
Total Marks: 80
Seat No.: Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
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B.PHARM - SEMESTER - 3- EXAMINATION —-WINTER - 2018Subject Code:230004 Date: 12/12/2018
Subject Name: Pharmaceutical Analysis - I
Time:10:30 AM TO 01:30 PM
Total Marks: 80
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Instructions:
- Attempt any five questions.
- Make Suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) What is analytical method validation? Enlist validation parameter. Discuss any two parameters in detail. | 06 |
| (b) Define hydrolysis and Derive equation for finding pH of aqueous solution of salt of strong acid and weak base. | 05 | |
| (c) Describe sampling techniques. | 05 | |
| Q.2 | (a) What is error? Write types of errors and how they minimized. | 06 |
| (b) Differentiate between QA and QC. | 05 | |
| (c) Give a detailed account of Oxygen combustion flask method. | 05 | |
| Q.3 | (a) Explain the terms: (i) Co-precipitation (ii) Post precipitation (iii) Solubility product | 05 |
| (b) Discuss in detail about Diazotization nitrite titration. | 05 | |
| (c) Write a note on Karl-Fischer titration. | 06 | |
| Q.4 | (a) Write a short note on Common ion effect and ionic product of water. | 05 |
| (b) Write a note on pM indicators. | 06 | |
| (c) What is gravimetric analysis? Enlist the steps involved in gravimetric analysis. | 05 | |
| Q.5 | (a) Explain redox indicators in detail. | 05 |
| (b) What is buffer? Derive Henderson-Hasselbach equation. | 06 | |
| (b) Explain Kjeldahl method for determination of nitrogen. | 05 | |
| Q.6 | (a) Write a brief note on types of non aqueous solvents and leveling and differentiating effect of solvent. | 05 |
| (b) Give the difference between followings with suitable example --- Content provided by FirstRanker.com --- (1) Iodometric titration and Iodimetric titration(2) Masking agent and Demasking agent | 06 | |
| (c) Explain law of mass action. | 05 | |
| Q.7 | Comments: (1) Nitrobenzene is used in Volhard’s method (2) KMnO4 is not a primary standard compound. (3) Electrolyte solution is used for wash precipitate. | 05 |
| (b) Write explanatory note on: Continuous extraction. | 06 | |
| (c) Discuss in detail about Fajan’s method. | 05 |
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