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Rajiv Gandhi University of Health Sciences, Karnataka
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I Year Pharm-D Degree Examination – 21-Jan-2020
Time: Three Hours
Max. Marks: 70 Marks
PHARMACEUTICAL ORGANIC CHEMISTRY (RS2)
Q.P. CODE: 2877
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Your answers should be specific to the questions asked
Draw neat, labeled diagrams wherever necessary
LONG ESSAYS (Answer any two) 2 x 10 = 20 Marks
- Discuss in detail on the stability of cycloalkanes. Write a note on Bayer's strain theory.
- Discuss the reaction and kinetics, stereochemistry in nucleophilic aliphatic substitution mechanism.
- Explain Markovnikov's and anti-Markovnikov's rules with examples.
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SHORT ESSAYS (Answer any six) 6 x 5 = 30 Marks
- Give any four methods for preparation of cycloalkanes.
- Write a note on elimination vs substitution reaction of alkyl halides.
- Define free radical and classify. Explain stability and reactivity of free radicals.
- Explain orientation and reactivity of free radical additions to conjugated dienes.
- Write the preparation of different acid derivatives with example.
- Discuss the mechanism involved in nitration and sulphonation of benzene.
- Explain the mechanism involved in benzoin condensation.
- What is isomerism? Explain keto-enol isomerism.
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SHORT ANSWERS 10 x 2 = 20 Marks
- Conversion of acids to amides and anhydrides.
- Write the structure of vinyl bromide and allyl iodide.
- Walden's inversion.
- Diels-Alder reaction.
- Structure and uses of sodium lauryl sulphate.
- Nomenclature of aldehydes.
- Write the structure and uses of chlorobutanol.
- Perkin condensation.
- Protic and aprotic solvents.
- Give examples and structural isomers.
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