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Aldehydes Ketones and Carboxylic Acids question

2009 · Q91
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Aldehydes Ketones and Carboxylic Acids question

2009 · Q91

NEETChemistryAldehydes Ketones and Carboxylic AcidsMCQ+4 / −1
Propionic acid with Br2/P yields a dibromo product. Its structure would be
  1. A
    AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 55 English Option 1
  2. B
    CH2(Br) −-− CH2 −-− COBr
  3. C
    AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 55 English Option 3
  4. D
    CH2(Br) −-− CH(Br) −-− COOH
View written solutionFree

Correct answer: C

This is Hell–Volhard–Zelinsky reaction.

AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 55 English Explanation

In this reaction, acids containing α\alpha α-H react with Br2 /red P giving product in which the α\alpha α-hydrogens are substituted by Br.

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