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Download RTMNU B.Pharma 3rd Semester 2015 Winter Pharmaceutical Chemistry 3 (Organic) Question Paper

Download RTMNU (Rashtrasant Tukadoji Maharaj Nagpur University) B.Pharma (Bachelor of Pharmacy) 3rd Semester 2015 Winter Pharmaceutical Chemistry 3 (Organic) Question Paper

This post was last modified on 19 January 2020

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.

  1. Solve any FIVE of the following : 5×4=20
    1. Write the mechanism of Hofmann degradation reaction.
    2. Justify that SN 1 reactions are accompanied by rearrangement.
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    4. Explain conformation of n-butane.
    5. Why cyclopropane always undergo ring opening reaction ?
    6. State how heat of hydrogenation proves unusual stability of benzene.
    7. Explain any two reactions of carboxylic acid.
    8. Aldehydes are more reactive than ketone. Explain.
    9. --- Content provided by⁠ FirstRanker.com ---

    1. Discuss Aldol condensation with suitable examples. 8
    2. Explain Cannizzarro's reactions with suitable examples. 7
  2. Give detailed account of SN² reaction including mechanism, orientation and reactivity. 15
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  4. Outline the laboratory synthesis of following from benzene :
    1. p-chloro benzoic acid
    2. p-toluidine
    3. Diphenyl methane
    4. m-bromo phenol
    5. Styrene.
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    15
  5. Write in detail about method of preparation of alkenes using suitable examples. 15
    1. Elaborate the detailed account of E2 mechanism supporting evidences and sterochemistry. 8
    2. Write a short note on Hinsberg test. 7
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  7. Discuss the electrophilic aromatic substitution reaction of benzene with :
    1. Nitration
    2. Sulphonation
    3. Friedel-Craft's alkylation
    4. Friedel-Craft's acylation
    5. Halogenation.
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    15

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