Download RGUHS?(Rajiv Gandhi University of Health Sciences) B.Pharmcy (Bachelor of Pharmacy) 1st Year (First Year) 2628 Pharmaceutical Organic Chemistry I Rs 4 Previous Year Question Paper
I Year B. Pharm Degree Examination ? 05-Jun-2023
Time: Three Hours
Max. Marks: 70
PHARMACEUTICAL ORGANIC CHEMISTRY ? I (RS-4)
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. What are cycloalkanes? Explain in detail Bayer's strain theory and theory of stainless rings
2. Explain rearrangement of carbocation and factors affecting SN2 and SN1 reaction
3. What is hyperconjugation? Explain stability of dienes. Write the mechanism of 1,2 and 1,4
addition reactions with example
SHORT ESSAYS (Answer any Six)
6 x 5 = 30 Marks
4. What are polynuclear hydrocarbons? Write the chemical properties of phenanthrene
5. Explain Benzoin condensation
6. What is Sandmeyer reaction? Give an example with its application.
7. Give statement for Markonikov's rule and write its mechanism
8. Explain aly1 radical as a resonance hybrid, explain its stability
9. What are Friedel craft's alkylation and acylation? Give the mechanism of any one.
10. Discuss Cannizaro reaction with mechanism
11. Explain effect of substituents on acidity of carboxylic aicds
SHORT ANSWERS
10 x 2 = 20 Marks
12. Write the structural formula of a) 4-Chloro-3-methy1 hexanoic acid b) Pyrogallol
13. Write the order of stability of free radicals
14. Define electrophiles and nucleophiles with example
15. What are SN1 and SN2 reactions?
16. What is Gattermann reaction?
17. What are amines? Give example
18. Write the IUPAC names of a) Isobutylene b) Acetylene
19. What are activating groups? Give example
20. Define dipole moment with example
21. Define protic solvents
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This post was last modified on 12 January 2025