Download RGUHS B.Pharm 1st Year 2022 November 2628 Pharmaceutical Organic Chemistry I Rs4 Question Paper

Download RGUHS?(Rajiv Gandhi University of Health Sciences) B.Pharmcy (Bachelor of Pharmacy) 1st Year (First Year) 2628 Pharmaceutical Organic Chemistry I Rs4 Previous Year Question Paper

Rajiv Gandhi University of Health Sciences, Karnataka
I Year B. Pharm Degree Examination ? 23-Nov-2022

Time: Three Hours






Max. Marks: 70 Marks
PHARMACEUTICAL ORGANIC CHEMISTRY ? I (RS4)
Q.P. CODE: 2628
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
1. Compare E1 and E2 reactions with respect to the mechanism, stereochemistry and kinetics
2. Explain Bayer's Strain theory of cycloalkanes with limitations
3. Define and give the mechanism a) Perkin's reaction b) Benzoin condensation
SHORT ESSAYS (Answer any Six)
6 x 5 = 30 Marks
4. Define with example - a) Electrophiles b) Nucleophiles
5. Give the rules for the nomenclature of aliphatic compounds with examples.
6. Explain Diel's alder reaction with example
7. What are cycloalkanes? Write any three methods of preparation
8. Why conjugated dienes are more stable than non-conjugated dienes explain
9. Explain crossed Cannizaro condensation with the mechanism
10. Write the Haworth synthesis of Naphthalene
11. Outlie the mechanism of Aldol condensation
SHORT ANSWERS
10 x 2 = 20 Marks
12. What is Sandmeyer's synthesis? Give an example
13. Write the structure and IUPAC name of a) Acetaldehyde b) Acetone
14. Define carbanion. Write one method of formation of carbanion
15. What is a polar aprotic solvent?
16. Define Lowry Bronsted theory of acid and base with examples
17. Distinguish between functional and positional isomerism
18. What is meant by free radical? Give one example
19. Write the structures of a) 2, 2-Dimethyl propane b) 3-Chloro pentanone
20. How is aniline is converted to chlorobenzene?
21. Why aliphatic amines are more basic than aromatic amines?
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