Rajiv Gandhi University of Health Sciences, Karnataka
I Year B.Pharm Degree Examination - 17-Nov-2021
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Time: Three Hours Max. Marks: 70 Marks
PHARMACEUTICAL ORGANIC CHEMISTRY -1
(Revised Scheme 3)
Q.P. CODE: 2604
Your answers should be specific to the questions asked
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Draw neat labeled diagrams wherever necessary
LONG ESSAYS (Answer any Two) 2 x 10 = 20 Marks
- What is Markonikov’s rule? Write the different addition reactions at carbon- carbon double bond?
- Write the kinetics and mechanism of (a) SN1 reaction (b) E1 reaction.
- Discuss the mechanism of Friedel craft’s alkylation. Write the products obtained in Friedel crafts alkylation of phenol and benzoic acid?
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SHORT ESSAYS (Answer any Six) 6 x 5 = 30 Marks
- Explain Hyper conjugation and resonance.
- Discuss the Stability of carbocations.
- Explain Claisen condensation.
- Write the Applications of Diazonium salts in organic synthesis.
- Define and classify Isomerism with examples.
- Write the mechanism of Cannizaro reaction and crossed Cannizaro reaction.
- Explain acidity of phenol.
- Write the mechanism of Beckmann rearrangement.
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SHORT ANSWERS 10 x 2 = 20 Marks
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- What is Huckel’s rule?
- What is Keto-enol tautomerism?
- Write the Stability of free-radicals.
- Write the Structures of (a) Allyl bromide (b) Acetophenone (c) Benzyl chloride (d) Salicylic acid.
- Explain Saytzeff’s rule.
- Compare the basicity of Methylamine and Aniline.
- Compare the acidity of Acetic acid and Chloro acetic acid.
- Explain Kolbe's reaction.
- Write the Conversion of acids to amides.
- Explain Williamson synthesis.
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This download link is referred from the post: RGUHS B.Pharmacy 1st Year 2014-2024 Last 10 Years Previous Question Papers (B.Pharm Latest Papers))
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