GTU B.Pharm 2019 Summer Question Papers || Gujarat Technological University
Seat No.:
Subject Code: 2220002
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Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
B.PHARM - SEMESTER- 2 EXAMINATION - SUMMER -2019
Subject Name: Pharmaceutical Chemistry-II (Physical Chemistry)
Time: 10:30 AM TO 01:30 PM
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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 order of a reaction? Derive integrated rate equation for zero order reaction. | 06 |
| (b) | Explain the collision theory with its limitations. | 05 |
| (c) | Write a note on Parachor. | 05 |
| Q.2 (a) | Define quantum efficiency. Explain in detail causes of high & low quantum yield with examples. | 06 |
| (b) | Write a note on One and two component systems. | 05 |
| (c) | What is the basic principle of Joule —Thomson effect? | 05 |
| Q.3 (a) | Define: Thermodynamics. Explain first law of thermodynamics. | 06 |
| (b) | Write a note on partition coefficient. Why benzoic acid forms dimer in benzene but not in water. | 05 |
| (c) | Explain the laws of photochemistry. | 05 |
| Q.4 (a) | Write a note on homogeneous and-hetrogeneous catalyst with suitable examples. | 06 |
| (b) | What is Raoult’s law? Describe the deviations from Raoult’s law. | 05 |
| (c) | Define: surface tension./What are its units? Explain drop weight method for the determination of the surface tension. | 05 |
| Q.5 (a) | Define: Adsorption. Explain Freundlich Adsorption isotherms. | 06 |
| (b) | Define: Molarity and Normality. Explain state and limitation of Henry’s law. | 05 |
| (c) | Write a note on Jablonski diagram. | 05 |
| Q.6 (a) | What is enthalpy? How enthalpy of chemical reaction can be calculated? | 06 |
| (b) | Define: Colligative property. Describe in detailed lowering of the Vapour pressure. | 05 |
| (c) | Explain “Beer’s Lambert’s law of photochemistry”. | 05 |
| Q.7 (a) | Write a note on Debye-Huckle theory. | 06 |
| (b) | Write a note on “Acid- Base Enzyme Catalysis”. | 05 |
| (c) | Describe different methods to determine the order of reaction in brief | 05 |
Date: 31-05-2019
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Total Marks: 80
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