Download RGUHS B.Pharm 1st Year 2024 May 2604 Pharmaceutical Organic Chemistry I Rs 3 Question Paper

Download RGUHS?(Rajiv Gandhi University of Health Sciences) B.Pharmcy (Bachelor of Pharmacy) 1st Year (First Year) 2604 Pharmaceutical Organic Chemistry I Rs 3 Previous Year Question Paper

Rajiv Gandhi University of Health Sciences, Karnataka
I Year B.Pharm Degree Examination ? 05-Jun-2024
Time: Three Hours




Max. Marks: 70 Marks
PHARMACEUTICAL ORGANIC CHEMISTRY ? I (RS-3)
Q.P. CODE: 2604
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.
Explain the mechanism of 1, 2?and 1, 4-addition to conjugated dienes. Write the effect of
temperature on 1, 2-and 1, 4-addition.
2.
Halogens are deactivators, yet ortho-para directors. Justify with relevant examples with
mechanism.
3.
Write the mechanism of Aldol condensation and Kolbe's reaction.
SHORT ESSAYS (Answer any Six)
6 x 5 = 30 Marks
4.
Write a note on Hyper conjugation.
5.
What is hydrogen bonding? Discuss its applications.
6.
What is Diels Alder reaction? Write its mechanism.
7.
Write a note on acidity of carboxylic acids with effect of substituent's on
the acidity.
8.
How the diazo group is replaced? Write the mechanism of Sandmeyer's reaction.
9.
What happens when methane is allowed to react with chlorine in presence of light? Give its
mechanism.
10. Discuss the stability of conjugated dienes.
11. Write the mechanism of Fries arrangement.
SHORT ANSWERS
10 x 2 = 20 Marks
12. What is Tautomerism?
13. What are carbenes? How they are generated?
14. What is Smith reaction?
15. What is carbanion?
16. Write the structure of 2-propanol and ethanal.
17. How benzoic acid is converted to benzoyl chloride? Give reaction.
18. What is Williamson's synthesis? Give examples.
19. Define resonance and resonance energy.
20. What is Beckmann's rearrangement?
21. What is Claisen condensation?
*****

---