Abstract
The kinetics of oxidation of myo-inositol (INOS) by diperiodatocuprate(III) (DPC) in aqueous alkaline medium at a constant ionic strength of 0.07 mol/dm 3 was studied spectrophotometrically. The reaction between DPC and INOS in alkaline medium exhibits 1:1 stoichiometry. The reaction is of first order in DPC and less than unit order in INOS. The rate constants increase with increase in alkali concentration. Periodate has retarding effect on the rate of reaction. The reaction rate decreases with increase in ionic strength and decrease in dielectric constant of the medium. The main products were identified by spot test and spectral studies. A suitable mechanism was proposed on the basis of experimental results. The reaction constants involved in the different steps of the reaction mechanism were calculated. The activation parameters with respect to the slow step of the mechanism were determined.
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