Name the reaction when carboxyclic acids having an a -hydrogen are halogenated at the a - position on treatment with chlorine in the presence of a small amount of red phosphorus.
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Shift 24/05/2023 3:30 PM - 6:30 PM
A
Kolbe electrolysis
B
Hell-Volhard-Zelinsky reaction
C
Friedel Crafts reaction
D
Esterification
Correct Answer
Hell-Volhard-Zelinsky reaction
Detailed Explanation
The reaction described, where carboxylic acids having an α-hydrogen are halogenated at the α-position in the presence of chlorine and a small amount of red phosphorus, is known as the Hell-Volhard-Zelinsky reaction.
Therefore, the correct answer is (2) Hell-Volhard-Zelinsky reaction.
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