Which of the following will not undergo Hell- Volhard Zelinsky reaction?
HCOOH
Formic acid will not undergo Hell- Volhard Zelinsky reaction as it does not have α-hydrogen to be halogenated.
In Hell-Volhard Zelinsky Reaction ,Carboxylic acids having an α-hydrogen are halogenated at the alpha position on treatment with chlorine and bromine in presence red phosphorous to give α- halo carboxylic acids