Download Pharm D First Year 2022 January 383804 Pharmaceutical Organic Chemistry Question Paper

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[PHARMD 0122] JANUARY 2022 Sub. Code: 3804

(OCTOBER 2021 EXAM SESSION)



PHARM. `D' DEGREE EXAMINATION

FIRST YEAR (2009-2010 Regulation)

PAPER IV ? PHARMACEUTICAL ORGANIC CHEMISTRY

Q.P. Code : 383804

Time : Three hours

Answer ALL Questions Maximum : 70 Marks


I. Elaborate on:

(4 x 10 = 40)



1. Discuss on the mechanism, kinetics and stereo chemistry of Aliphatic nucleophilic

substitution with suitable examples.

2. Elaborate on the free radical halogenations reaction in alkenes. Compare free

radical substitution with free radical addition.

3. Specify on the mechanism and ionization of carboxylic acids.

Add a note on the conversion of acid to amide and este

4. Explain the following reactions:

a) Fries Rearrangement.
b) Reimer - Tiemann reaction.



II. Write notes on:



(6 x 5 = 30)



1. Briefly write on the polarity of molecules and bonds.
2. Explain how the nomenclature of the organic compound is expressed in case of

aldehydes and dienes.

3. What are the various organic redox reactions? Give a note on any one reaction.
4. Give the preparation, assay and use of Lactic acid and Ethyl benzoate.
5. Jot down on the basicity of amines.
6. What is resonance and hyperconjugation? Add salient features on the resonance

stabilization of allyl radicals.



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