Pharm D Last 12 Years 2010-2022 Question Papers (1st Year, 2nd Year, 3rd Year, 4th Year and 5th Year)
[LM 804] MAY 2018 Sub. Code: 3804
PHARM. D DEGREE EXAMINATION
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(2009-2010 Regulation)
FIRST YEAR
PAPER IV - PHARMACEUTICAL ORGANIC CHEMISTRY
O.P. Code : 383804
Time : Three hours Maximum : 70 Marks
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- I. Elaborate on: (4 x 10 =40)
- Explain the mechanism of nucleophilic aromatic substitution reactions, orientation and reactivity of benzene.
- Explain about the resonance stabilization of benzyl radical.
- What are electrophilic addition reactions? Explain any two reactions in detail.
- Explain the mechanisms of following name reactions:
- Perkin condensation
- Kolbe reaction.
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- II. Write notes on: (6x5=30)
- Give an account of acid and base on the basis of Lewis theory.
- Explain the addition reaction of conjugated dienes.
- Discuss about allylic rearrangement with examples.
- Write the preparation, test for purity, assay and medicinal use of mephensin.
- What are cycloalkanes? Give an example. Discuss the preparation of cycloalkanes.
- Illustrate a note on free radical chain reactions of alkane.
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