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Paper Details

Mechanistic Study of Phosphotungustic Acid Catalyzed Oxidation of P-Nitro Benzyl Alcohol by N-Chlorosaccharin in Aqueous Acetic Acid Medium. A Kinetic Study

H.D. Gupta1, S.K. Singh*1 and Santosh Kumar Singh2

Journal Title:Journal of Chemical, Biological and physical sciences

Kinetic investigations in Keggin-type phosphotungstic acid catalyzed oxidation of p-nitro benzyl alcohol by N-chlorosaccharin, (NCSA) in aqueous acetic acid have been studied. Oxidation kinetics of p-nitro benzyl alcohol by chlorosaccharin in presence of Phosphotungstic acid (PTA) shows a first order dependence on NCSA and fractional order on p-nitrobenzyl alcohol and PTA. The variation of [H+] and [saccharin] (reaction product) have insignificant effect on reaction rate. Activation parameters for the reaction have been evaluated by studying the reaction at different temperature. The rate law has been derived on the basis of obtained kinetic data and a plausible mechanism has been proposed.