Chemistry - Carboxylic acid and their Derivatives Question with Solution | TestHub

Explain the question :

Question is asking about the compound does not undergoes Hell Volhard-Zelinsky reaction. Concept :

This question is based on Hell Volhard-Zelinsky reaction.

Solution :

Those carboxylic acid which contains $\alpha$-hydrogen atom will gives Hell Volhard-Zelinsky reaction.

Among the given option HCOOH and ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{COOH}$ donot contains $\alpha$-hydrogen atom so not gives Hell Volhard-Zelinsky reaction.

Final answer : Option $(A,B)$