MBBS 3rd Year (Third Year) Important Questions (Question Bank)
FAFER 11
Q.P. CODE : 9232
Your answers should be specific to the questions asked.
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Draw neat labeled diagrams wherever necessary. Answer all questions
LONG ESSAY (Answer any TWO) 2 X 20 = 40 Marks
- a) Write an account of formation, stability and reactions of free radicals
b) Explain addition to multiple bonds - a) Explain Cannizzaro reaction and Favorskii rearrangement with examples
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b) Write Polymer-supported synthesis of organic compounds giving examples - a) Discuss Benzyne mechanism for Aromatic Nucleophilic substitution giving examples
b) What is the stability of carbocations? Explain with examples Pinacol-Pinacolone rearrangement
SHORT ESSAY (Answer any FIVE) 5 X 10 = 50 Marks
- Explain giving mechanism, stereochemistry and examples “Hofmann degradation of amides”
- Write about macro beads in new solid-phase synthesis
- Explain giving mechanism and examples for Reimer-Tiemann reaction and conversion of Pyrrole to Pyridine
- Explain giving examples Diels-Alder reaction and stereochemistry of pericyclic reactions
- Explain homo and heterogeneous catalysis with examples
- Explain phase transfer catalysis and its applications
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SHORT NOTES 2 X 5 = 10 Marks
- Curtius, Schmidt and Lossen rearrangement reactions
- Discuss mechanism, examples of cope rearrangements
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