European Journal of Chemistry

The oxidation of 2-(2-methoxyethoxy)-ethanol and 2-(2-ethoxyethoxy)-ethanol by dihydroxydiperiodato nickelate(IV): A kinetic and mechanistic study



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Jinhuan Shan
Ziwei Zhang

Abstract

The kinetics of oxidation of 2-(2-methoxyethoxy)-ethanol and 2-(2-ethoxyethoxy)-ethanol by dihydroxydiperiodato nickelate(IV) (DPN) had been studied spectrophotometrically in alkaline medium in the temperature range of 293.2 to 313.2 K. The reaction rate showed first order dependence on DPN, 2-(2-methoxyethoxy)-ethanol and 2-(2-ethoxyethoxy)-ethanol. It was found that the pseudo-first-order rate constant kobs increased with an increase in concentration of OH- and a decrease in concentration of IO4-. There was a positive salt effect and no free radicals were detected. A plausible mechanism is proposed and the rate equations derived from the mechanism can explain all the experimental observations.


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Shan, J.; Zhang, Z. The Oxidation of 2-(2-Methoxyethoxy)-Ethanol and 2-(2-Ethoxyethoxy)-Ethanol by Dihydroxydiperiodato nickelate(IV): A Kinetic and Mechanistic Study. Eur. J. Chem. 2014, 5, 237-240.

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College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
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