This download link is referred from the post: RTMNU B-Pharm Last 10 Years 2010-2020 Previous Question Papers || Rashtrasant Tukadoji Maharaj Nagpur University
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Faculty of Pharmacy
B.Pharm. Third Semester (C.B.S.) Examination
PHARMACEUTICAL CHEMISTRY—III (ORGANIC)
Paper-II (3T-2)
Time : Three Hours] [Full Marks: 80
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N.B. :— (1) Question No. 1 is compulsory.
(2) Solve any FOUR questions from the remaining.
(3) Draw neat labeled diagram wherever necessary.
- Solve any FIVE of the following : 5×4=20
- Write the mechanism of Hofmann degradation reaction.
- Justify that SN 1 reactions are accompanied by rearrangement.
- Explain conformation of n-butane.
- Why cyclopropane always undergo ring opening reaction ?
- State how heat of hydrogenation proves unusual stability of benzene.
- Explain any two reactions of carboxylic acid.
- Aldehydes are more reactive than ketone. Explain.
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- Discuss Aldol condensation with suitable examples. 8
- Explain Cannizzarro's reactions with suitable examples. 7
- Give detailed account of SN² reaction including mechanism, orientation and reactivity. 15
- Outline the laboratory synthesis of following from benzene :
- p-chloro benzoic acid
- p-toluidine
- Diphenyl methane
- m-bromo phenol
- Styrene.
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- Write in detail about method of preparation of alkenes using suitable examples. 15
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- Elaborate the detailed account of E2 mechanism supporting evidences and sterochemistry. 8
- Write a short note on Hinsberg test. 7
- Discuss the electrophilic aromatic substitution reaction of benzene with :
- Nitration
- Sulphonation
- Friedel-Craft's alkylation
- Friedel-Craft's acylation
- Halogenation.
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This download link is referred from the post: RTMNU B-Pharm Last 10 Years 2010-2020 Previous Question Papers || Rashtrasant Tukadoji Maharaj Nagpur University