Kinetics and mechanistic study of acetophenones by Mn(III) pyrophosphate in perchloric acid

Kinetic and mechanistic study of oxidation of 2-hydroxy 4-methyl acetophenone, 2-hydroxy 4-chloro acetophenone and 4-bromo acetophenone is carried out using Mn(III) pyrophospate in perchloric acid media. The effect of variation of substrate, oxidant and perchloric acid was studied under pseudo first order reaction conditions. The order of reaction was found to be zero for oxidant, first order with respective hydrogen ion and acetophenones. A probable mechanism has been suggested on the basis of experimental observations.