KINETICS AND MECHANISM OF OXIDATION OF AZO DYE ACID YELLOW 36 BY CHLORAMINE-T IN HYDROCHLORIC ACID MEDIUM
Journal Title: Indo American Journal of Pharmaceutical Research - Year 2017, Vol 7, Issue
Abstract
Abstract Kinetics of oxidative decolorization of Acid yellow36 (AY36) by chloromine-T,(CAT) in hydrochloric acid (HCl) medium at 301 K has been investigated spectrophotometrically at λmax439nm. The reaction showed first order dependence on [CAT] and[AY36]o and inverse fractional order dependence on [HCl]. Stoichiometry of the reaction was found to be 1:3 with respect to the substrate and oxidant respectively. The oxidation products were identified by spectral analysis. Variation of ionic strength had no effect on the rate. Addition of p-toluene solfanamide (PTS)retarded the rate of reaction. Activation parameters have been computed. Probable mechanism and the relevant rate law have been deliberated for the observed kinetic results.
Authors and Affiliations
Fathyah Omar, Mohammed Al-Ghorbani, T. AshaIyengar*
Keywords
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