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Oxidation of Cobalt(III) Complexes of Α-Hydroxy Acids by Nicotinium Di Chromate (NDC) in the Presence of Dimethyl Diocta Decyl Ammonium Chloride (DDAC) - A Kinetic and Mechanistic Study

K. Murali, Mansur Ahmed and Mohammed Nawaz

The kinetics of induced electron transfer reaction has been attempted presently with nicotinium dichromate (NDC) and pentaammine cobalt (III) complexes of α-hydroxy acid in the presence of micelles. The nicotinium dichromate (NDC) oxidizes cobalt (III) bound and unbound α-hydroxy acids. In nicotinium dichromate (NDC) induced electron transfer in the complex, the intermediate radical formed dissociates in a nearly synchronous C-C bond cleavage and the rest of it proceeding with C-H fission yielding cobalt (III) complex. With increase in surfactant (dimethyl dioctadecyl ammonium chloride) (DDAC) concentration, an increase in the rate was observed.