Pharm D Last 12 Years 2010-2022 Question Papers (1st Year, 2nd Year, 3rd Year, 4th Year and 5th Year)
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[PHARMD 0321] MARCH 2021 Sub. Code: 3804
(OCTOBER 2020 EXAM SESSION)
PHARM. ‘D’ DEGREE EXAMINATION
FIRST YEAR (2009-2010 Regulation)
PAPER 1V - PHARMACEUTICAL ORGANIC CHEMISTRY
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O.P. Code : 383804
Time : Three hours Maximum : 70 Marks
I. Elaborate on: (4 x 10 =40)
- Explain the mechanism and reaction involved in
- Sandmeyer’s reaction.
- Hofmann rearrangement.
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- Explain the mechanism, kinetics and orientation of E1 and E2 reactions.
- Describe briefly about Baeyer strain theory by depicting the orbital picture of angle strain of various cyclo alkanes.
- Enumerate the mechanism involved the peroxide initiated addition of hydrogen bromide to alkenes.
I1. Write notes on: (6x5=30)
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- Define oxidation. Write a note on the types of oxidizing agents with examples.
- Add a note on the acidity of Phenols.
- Write the preparation, tests for purity; assay and uses of Mephenesin.
- Enumerate briefly on the conversion of carboxylic acid into its various derivatives.
- Write a note on activating and deactivating ortho, para and meta directing groups.
- Write a note on Walden inversion.
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