Rajiv Gandhi University of Health Sciences, Karnataka
I Year B.Pharm Degree Examination - 16-Sep-2020
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Time: Three Hours Max. Marks: 80 Marks
PHARMACEUTICAL ORGANIC CHEMISTRY - I
(Revised Scheme - 2)
Q.P. CODE: 1954
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
- Define Electrophilic and Free radical addition reactions? Give the mechanism of Markovnikov’s and anti-Markovnikov’s addition.
- What are cycloalkanes? Describe any four methods of preparation of cycloalkanes. Write a note on Bayer’s strain theory of cycloalkanes.
- Define and give the mechanism of following reactions
- Cannizzaro reaction
- Fries re-arrangement
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SHORT ESSAYS (Answer any Eight) 8 x 5 = 40 Marks
- Explain the mechanism and stereochemistry of SN reaction.
- Explain the aldol and crossed aldol condensation reaction.
- Define and give the mechanism of Perkins reaction.
- Describe the chlorination of methane along with its mechanism.
- Write a note on acidity of carboxylic acids.
- Explain the effect of halogen on electrophilic aromatic substitution reaction.
- Define isomerism and list different types of isomerism with examples.
- Explain the mechanism and importance of Sandmeyer reaction.
- Explain Friedel crafts alkylation with its limitations.
- Write note on dehydration of alcohols.
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SHORT ANSWERS 10 x 2 = 20 Marks
- Define and explain diazotization reaction with an example.
- Define carbocation and carbanion.
- What are Lewis acids? Give examples.
- Define resonance with suitable example.
- Give Reformatsky reaction
- Define free radicals with examples.
- Write the structure and IUPAC names of a) Acetone b) Formic acid.
- Define bond dissociation energy and dipole moment with example.
- Write short notes on hydrogen bonding.
- Give structure and uses of salicylic acid and dimercaprol.
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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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