Question

Explain Hell-Volhard Zelinsky reaction​

Answer 1

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Mechanism of the Hell-Volhard-Zelinsky Reaction. Phosphorus reacts with bromine to give phosphorus tribromide, and in the first step this converts the carboxylic acid into an acyl bromide. An acyl bromide can readily exist in the enol form, and this tautomer is rapidly brominated at the α-carbon.


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Answer 2

Explanation:

$<p style ="Color:cyan; font-family: cursive; background:black;font size25px;"> Carboxalic acid having an Alpha hydrogen are generated at the Alpha position on treatment with chlorine or bromine in the presence of a small amount of red phosphorus to give alpha hello oxalic acid this reaction is known as Hell volhard zelinsky reaction$