Rajiv Gandhi University of Health Sciences, Karnataka
I Year B.Pharm Degree Examination - 17-Nov-2021
--- Content provided by FirstRanker.com ---
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
--- Content provided by FirstRanker.com ---
Draw neat labeled diagrams wherever necessary
LONG ESSAYS (Answer any Two) 2 x 10 = 20 Marks
- Define aromatic Electrophilic substitution reactions. Discuss the reaction mechanism of nitration and sulphonation.
- Define elimination reaction. Discuss the mechanism of E1 and E2 reaction with suitable example.
- Define and give the mechanism of following reactions
- Aldol condensation
- Benzoin condensation
--- Content provided by FirstRanker.com ---
SHORT ESSAYS (Answer any Eight) 8 x 5 = 40 Marks
- Explain the Bayer’s strain theory of cycloakanes.
- Define Nucleophilic aliphatic substitution reaction? Give the mechanism of SN1 reaction.
- Define and give the mechanism of Cannizzaro reaction.
- What is electrophillic addition reaction and give-the mechanism of Markovnikov’s addition.
- Write a note on acidity of phenols.
- Explain the mechanism of Curtius reaction.
- Give one method each for the conversion of carboxylic acid into acid anhydride, acid amide and acid chloride.
- Explain Friedel crafts acylation reaction.
- Write chlorination of methane with mechanism.
- Write a note on dehydration of alcohols.
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
SHORT ANSWERS 10 x 2 = 20 Marks
- Define the terms “Polarity” and “Polar aprotic solvent.
- What is hydrogen bond? Give two example showing hydrogen bonding.
- Give the structure and uses of (i) Aspirin (ii) Dimercaprol
- Define electrophiles with examples.
- What is diazotization reaction? Give an example.
- How do you synthesize ester from carboxylic acid?
- What is a carbocation? Give an example
- Define ring activating and deactivating group with examples
- Define acids and bases according to Bronsted-Lowry and Lewis theory.
- Define Keto-enol tautomerism.
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
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))
--- Content provided by FirstRanker.com ---