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Download RGUHS B.Pharm 1st Year 2022 November 2604 Pharmaceutical Organic Chemistry I Rs3 Question Paper

Download RGUHS?(Rajiv Gandhi University of Health Sciences) B.Pharmcy (Bachelor of Pharmacy) 1st Year (First Year) 2604 Pharmaceutical Organic Chemistry I Rs3 Previous Year Question Paper

This post was last modified on 12 January 2025

RGUHS B.Pharmacy 1st Year 2014-2024 Last 10 Years Previous Question Papers (B.Pharm Latest Papers))


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Rajiv Gandhi University of Health Sciences, Karnataka

I Year B.Pharm Degree Examination — 23-Nov-2022

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Time: Three Hours Max. Marks: 70 Marks

PHARMACEUTICAL ORGANIC CHEMISTRY - I (RS3)

Q.P. CODE: 2604

Your answers should be specific to the questions asked

Draw neat labeled diagrams wherever necessary

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LONG ESSAYS (Answer any Two) 2 x 10 = 20 Marks

  1. Discuss the nucleophilic aliphatic substitution reactions emphasizing the mechanism and orientation
  2. Explain with examples and mechanism :
    1. Perkin’s reaction
    2. Reimer Tiemann reaction
    3. Cannizzaro’s reaction
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  3. Explain with examples and mechanisms
    1. Free radical substitution to alkanes
    2. Free radical addition to alkenes
    3. Electrophilic addition to alkenes
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SHORT ESSAYS (Answer any Six) 6 x 5 = 30 Marks

  1. Give the kinetics and mechanism of E1 and E2 reactions
  2. Explain Lowry-Bronsted theory of acids and bases
  3. Explain the stability of conjugated dienes
  4. Give the mechanism involved in the following reactions
    1. Claisen condensation
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    3. Hofmann’s reaction
  5. Explain the theory of orientation by amino/group and chlorine in electrophilic aromatic substitution
  6. Discuss the mechanism of dehydration of alcohols and comment on the orientation
  7. What are alkenes? Give the rules for the nomenclature of alkenes with examples
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  9. Discuss Williamson’s synthesis, its applications and limitations

SHORT ANSWERS 10 x 2 = 20 Marks

  1. How do substituents influence the acidic strength of phenols
  2. How do you synthesis m-bromonitrobenzene from benzene?
  3. Give IUPAC names for
    1. CH3—CH2-CH2-COOH
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    3. HC=C-CH-CH=CH2
      |
      CH3
  4. Distinguish between protic and aprotic solvents give examples
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  6. How do you prepare diazonium salts? Give the reaction involved
  7. What is functional and position isomerism? Give examples.
  8. Give examples for Friedel craft’s alkylation and acylation
  9. Define carbonium ion, classify with examples.
  10. Write examples of a cycloaddition reaction
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  12. Write a note on Huckel’s rule of aromaticity


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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