NTA Abhyas NEET2020ChemistryCarboxylic Acid DerivativesPractice
The reaction of Br 2 /P or   Cl 2 /P with carboxylic acid to form α -halogenated acid is called
Options
- AHunsdicker reaction
- BHell-Vohlard-Zelinsky reaction
- CClaisen reaction
- DKolbe's reaction
Correct answer
B. Hell-Vohlard-Zelinsky reaction
Step-by-step solution
Replacement of α -H be halogen occurs C H 3 C O O H → C l 2 , P C H 2 C l C O O H → C l 2 , P C H C l 2 C O O H → C l 2 , P C C l 3 C O O H