Time: Three Hours
Rajiv Gandhi University of Health Sciences, Karnataka
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I Year B. Pharm Degree Examination — 09-Nov-2023
Max. Marks: 70 Marks
PHARMACEUTICAL ORGANIC CHEMISTRY - I (RS4)
Q.P. CODE: 2628
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
- Explain E1 and E2 reactions with respect to the mechanism, stereochemistry and kinetics
- Explain the mechanism involved in a) Perkin's condensation b) Claisen condensation c) Sandmeyer’s reaction
- Give the mechanism of Markovnikov’s rule and Anti-Markovnikov’s addition
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SHORT ESSAYS (Answer any Six) 6 x 5 = 30 Marks
- Define with example a) Electrophiles b) Nucleophiles
- Discuss dehydrohalogenation with a suitable example
- Explain Diel’s alder reaction with example
- What are cycloalkanes? Write any three methods of preparation
- Why conjugated dienes are more stable than non-conjugated dienes explain
- Explain crossed Cannizaro condensation with the mechanism
- Write the Haworth synthesis of Naphthalene
- Outline the Mechanism of Aldol condensation
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SHORT ANSWERS 10 x 2 = 20 Marks
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- What is Williamson’s synthesis? Give an example
- Write the structure and IUPAC name of a) Acetaldehyde b) Acetone
- Define and classify Hydrogen bonding
- What is a polar protic solvent?
- Define Hantzsch Coupling
- Define diazotization reaction with example
- What is Hoffmann’s reaction? Give one example
- Write the structures of a) 2, 2-Dimethyl propane b) 3-Chloro pentanone
- Define the inductive effect with example
- Write the stability of free radicals
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This download link is referred from the post: RGUHS MDS 1st Year Last 10 Years 2015-2025 Previous Question Papers || First Year MDS
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