Which of the following will not undergo Hell-Volhard-Zelinsky reaction

Which Of The Following Will Not Undergo Hellvolhardzelinsky Reaction Chemistry Question

Which of the following will not undergo Hell-Volhard-Zelinsky reaction

Options

(a) Acetic acid
(b) Formic acid
(c) Propionic acid
(d) 2-Methyl propionic acid

Correct Answer:

Formic acid

Explanation:

Carboxylic acid which contain α – hydrogen atom reacts with chlorine or bromine in presence of red phosphorus to give α – chloro or α – bromo acids. This reaction is called H.V.Z (Hell Volhard Zelinsky ) reaction. CH₃COOH → CCl₃COOH(trichloroacetic acid). CH₃CH₂COOH → CH₃CBr₂COOH (α,α-dibromopropionic acid) Due to absence of α – H atom HCOOH does not undergo HVZ reaction.

Related Questions:

  1. What is the nature of the bond between B and O in (C₂H₅)₂ OBH₃?
  2. The volume of 0.05 M KMnO₄ solution required to oxidized completely 2.70g
  3. At standard state Gibb’s free energy change for isomerization reaction
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Topics: Aldehydes Ketones and Carboxylic Acid (89)
Subject: Chemistry (2512)

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