Download RGUHS?(Rajiv Gandhi University of Health Sciences) B.Pharmcy (Bachelor of Pharmacy) 1st Year (First Year) 2604 Pharmaceutical Organic Chemistry I Revised Scheme 3 Previous Year Question Paper
I Year B.Pharm Degree Examination ? 05-Jun-2023
Time: Three Hours
Max. Marks: 70 Marks
PHARMACEUTICAL ORGANIC CHEMISTRY ? I
(Revised Scheme 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 Bayer's Strain theory of Cycloalkanes along with its merits and demerits. Write a note
on theory of stainless rings
2.
Explain the mechanism of:
a) E2 and E1 reactions
b) Chlorination of methane and Markovnikov's reaction
3.
a) Discuss the mechanism involved in sulphonation of benzene
b) Write the mechanism and products formed with Friedel crafts alkylation reaction
SHORT ESSAYS (Answer any Six)
6 x 5 = 30 Marks
4.
What is Aldol condensation? Discuss the mechanism involved
5.
Comment, toluene on nitration gives mainly ortho and para substituted product
6.
What is Hoffmann's elimination? Explain with examples
7.
Explain the Lowry Bronsted theory for acids and bases
8.
Discuss the synthetic uses of Sandmeyer's reaction with equations
9.
Enumerate the factors affecting SN1 and SN2 reactions
10. What is hyper conjugation? Explain with any two examples
11. What is meant by (a) Ketoenol tautomerism and (b) Hydrogen bonding
SHORT ANSWERS
10 x 2 = 20 Marks
12. What are carbocations? How are they generated?
13. Write a note on Diels-Alder reaction
14. What are Electrophiles? Give two examples
15. Define Carbanions with examples
16. Application of Reimer Tiemann reaction
17. Refortmatsky's reaction
18. What is diazotization reaction? Give example
19. What is Protic solvent? Give examples
20. Write the classification of free radicals with examples
21. Define the terms `dienes' and `carbene'
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This post was last modified on 12 January 2025