Pharm D Last 12 Years 2010-2022 Question Papers (1st Year, 2nd Year, 3rd Year, 4th Year and 5th Year)
[LC 804] APRIL 2013 Sub. Code: 3804
DOCTOR OF PHARMACY (PHARM. D) DEGREE EXAMINATION
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FIRST YEAR
PAPER IV - PHARMACEUTICAL ORGANIC CHEMISTRY
Q.P. Code: 383804
Time: Three Hours Maximum: 100 marks
Answer All questions
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- Elaborate on: (2x20=40)
- Define elimination reaction. Explain about its Kinetic, mechanism and isotopic effect of E1 and E2 reactions.
- Add a note on dehydration of acid catalysis.
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- Write the Mechanism, reactivity, orientation of aromatic electrophilic substitution reaction with suitable examples.
- Explain about the resonance stabilization of benzyl radical.
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II. Write notes on: (10 x 6 =60)
- Preparation, test for purity, assay and uses of methyl salicylate.
- Explain about preparation methods of free radicals:
- Outline briefly about Bayer strain theory.
- Discuss the mechanism and synthetic uses of Hoffman rearrangement reaction.
- Describe the preparation methods for amide.
- Preparation, test for purity, assay and uses of Chlorbutol.
- Write notes on Inter molecular forces.
- Give the mechanism for nitration and sulphonation reaction.
- Explain the preparation methods and synthetic uses of diazonium salts.
- Discuss the mechanism and synthetic uses of Reformatsky reaction.
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