Pharm D Last 12 Years 2010-2022 Question Papers (1st Year, 2nd Year, 3rd Year, 4th Year and 5th Year)
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[LA 804] APRIL 2012 Sub. Code: 3804
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DOCTOR OF PHARMACY (PHARM. D) DEGREE EXAMINATION
FIRST YEAR
PAPER IV - PHARMACEUTICAL ORGANIC CHEMISTRY
O.P. Code: 383804
Time: Three Hours Maximum: 100 marks
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Answer ALL questions in the same order.
I. Elaborate on : Pages Time Marks
(Max.) (Max.) (Max.)
- a) Elaborate the mechanism, kinetic and stereochemistry of aliphatic nucleophilic Substitution (SN¹ and SN²) reaction.
b) Explain about the role of phase transfer catalysis in substitution reaction. 17 40 min. 20 - a) Illustrate about the Kinetic, mechanism and isotopic effect of E1 and E2 reactions.
b) Add a note on dehydration of acid catalysis. 17 40 min. 20
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II. Write notes on :
- Give an account of acid and base on the basis of Lewis theories. 4 10 min. 6
- Preparation, test for purity, assay and uses of vanillin. 4 10 min. 6
- Explain the mechanism of halogenations of alkanes. Give the evidence for the same. 4 10 min. 6
- Outline any two methods of conversion of acids to acid chloride and amide. 4 10 min. 6
- Discuss the mechanism and synthetic uses of benzoin condensation reaction. 4 10 min. 6
- Describe the preparation methods for esters. 4 10 min. 6
- Outline briefly about Bayer strain theory. 4 10 min. 6
- Discuss the mechanism and synthetic uses of witting reaction. 4 10 min. 6
- Write a note on Diels alder reaction. 4 10 min. 6
- Preparation, test for purity, assay and uses of Aspirin. 4 10 min. 6
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