Question

The given reaction
$C{H}_{3}COOH+C{l}_2\stackrel{P}{\to }ClC{H}_{2}COOH+HCl$
is known as

• A. Hell-Volhard-Zelinsky reaction
• B. Birch reaction
• C. Rosenmund reaction
• D. Hunsdiecker reaction

Answer 1

Answer: (A)

In Hell-Volhard-Zelinsky reaction, the carboxylic acid containing $\text{α-H}$ undergo alpha halogenation in the presence of ${\text{Cl}}_{\text{2}}$ in red $\text{P}$ . In this reaction $\text{α-H}$ is replaced by chlorine.