Download RTMNU B.Pharma 3rd Semester 2016 Summer Pharmaceutical Chemistry 3 (Organic) Question Paper

TKN/KS/16-6982

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Third Semester Examination For the Degree of Bachelor of Pharmacy

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PHARMACEUTICAL CHEMISTRY (ORGANIC) 3-T-2

Time: Three Hours ] [Max. Marks: 80

N. B. : (1) Question No.1 is Compulsory.

(2) Solve any Four questions from the remaining.

(3) Discuss the reaction, mechanism wherever necessary.

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1. Solve any Five of the following :- 5 x 4 = 20
   1. Write a note on Keto-enol tautomerism
   2. Explain Huckel's Rule.
   3. Differentiate between SN1 and SN2.
   4. Aldehydes are more reactive than Ketone, Explain.
   5. Explain Confirmations of n-butane.

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   6. Write the mechanism of Hofmann degradation reaction.
   7. State and explain any two reactions of phenol.
2. Discuss the electrophilic aromatic substitution reaction of benzene with :- 15
   1. Nitration
   2. Sulphonation

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   3. Halogenation
   4. Friedel-Craft's alkylation
   5. Friedel-Craft's acylation
3. Give the detail account of SN2 including reaction, mechanism, orientation and reactivity. 15

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4. Write a Concise account on reactions and preparations of Carboxylic acids. 15
5. Prepare a full length draft on biomolecular elimination reaction covering mechanism, evidences, orientation and stereochemistry with appropriate examples. 15
6. 1. Describe in detail on preparation of alkenes using suitable examples. 8
   2. Discuss about acidity of Carboxylic acids. 7

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7. Write notes on (Any Three) 15
   1. Aldol condensation.
   2. Cannizzaro's Reaction
   3. Structure of benzene
   4. Hinsberg test
   5. Synthesis and applications of Organometallic Compounds.

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TKN/KS/16-6982

FirstRanker.com