Download OU B.Pharma 2-1 Year 2014 7207 S Pharmaceutical Organic Chemistry I Question Paper

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B. Pharmacy II-Year I-Semester (Supplementary) Examination, March 2014

Time : 3 Hours

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Code No. 7207/ S

FACULTY OF PHARMACY

Subject : Pharmaceutical Organic Chemistry - I

Note: Answer All questions. All questions carry equal marks.

1. 1. Explain the energy diagrams of reactants and products.

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   2. Write about covalent bond and resonances.

   OR

   1. Explain the following terms with examples.
   1. Inductive effect
   2. Hybrid orbital

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   3. Dipole movement
   4. Hydrogen bonding
2. 1. Write the reaction and mechanism of following reactions.
   1. Catalytic reduction

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   2. Markonikovs addition
   3. Halogenation of alkanes
   4. Allyllic substitution

   OR

   1. 1. Write any three methods of preparation of alkanes.

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      2. Explain stability of conjugated alkadienes.
3. 1. 1. Give any three methods of preparation of alcohols.
      2. Explain in detail of SN¹ reaction with mechanism.

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   OR

   1. 1. Give a note on Sayetzeff's rule and Walden inversion.
      2. Write different methods for synthesis of ethers.

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4. 1. 1. Write any three methods for synthesis of aldehydes.
      2. Give the synthetic applications of malomic ester.

   OR

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   1. 1. Explain relative acidity of different carboxylic acids.
      2. Write synthesis of following:
      1. Esters
      2. Amides
      3. Acid halides

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      4. Anhydrides
5. 1. 1. How to separate a mixture of amines by different methods.
      2. Give any three methods for synthesis of nitro alkanes.

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   OR

   1. 1. Write any three methods for synthesis of any diazonium salt.
      2. Give a note on basicity of amines by taking examples.

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Max. Marks: 70