Haloform Reaction Definition:

A reaction in which a methyl ketone is converted into a carboxylic acid upon treatment with excess base and excess halogen, followed by aqueous acid.

Haloform Reaction Explained:

CHX3—Where (X) is a Halogen that is produced by the process of halogenation of methyl ketone. R-Co-CH3 group, R may be alky or aryl