Rajiv Gandhi University of Health Sciences, Karnataka
I Year B.Pharm Degree Examination - 05-Jun-2023
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Time: Three Hours Max. Marks: 70 Marks
PHARMACEUTICAL ORGANIC CHEMISTRY -1
(Revised Scheme 3)
Q.P. CODE: 2604
Your answers should be specific to the questions asked
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Draw neat labeled diagrams wherever necessary
LONG ESSAYS (Answer any Two) 2 x 10 = 20 Marks
- Explain Bayer’s Strain theory of Cycloalkanes along with its merits and demerits. Write a note on theory of stainless rings
- Explain the mechanism of:
- E2 and E1 reactions
- Chlorination of methane and Markovnikov’s reaction
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- Discuss the mechanism involved in sulphonation of benzene
- Write the mechanism and products formed with Friedel crafts alkylation reaction
SHORT ESSAYS (Answer any Six) 6 x 5 = 30 Marks
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- What is Aldol condensation? Discuss the mechanism involved
- Comment, toluene on nitration gives mainly ortho and para substituted product
- What is Hoffmann’s elimination? Explain with examples
- Explain the Lowry Bronsted theory for acids and bases
- Discuss the synthetic uses of Sandmeyer’s reaction with equations
- Enumerate the factors affecting SN1 and SN2 reactions
- What is hyper conjugation? Explain with any two examples
- What is meant by (a) Ketoenol tautomerism and (b) Hydrogen bonding
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SHORT ANSWERS 10 x 2 = 20 Marks
- What are carbocations? How are they generated?
- Write a note on Diels-Alder reaction
- What are Electrophiles? Give two examples
- Define Carbanions with examples
- Application of Reimer Tiemann reaction
- Refortmatsky’s reaction
- What is diazotization reaction? Give example
- What is Protic solvent? Give examples
- Write the classification of free radicals with examples
- Define the terms ‘dienes’ and ‘carbene’
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This download link is referred from the post: RGUHS B.Pharmacy 1st Year 2014-2024 Last 10 Years Previous Question Papers (B.Pharm Latest Papers))
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