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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Published: Jun 30, 2014
DOI: https://doi.org/10.5155/eurjchem.5.2.237-240.981
Keywords:
Kinetics, Oxidation, Mechanism, 2-(2-Ethoxyethoxy)-ethanol, 2-(2-Methoxyethoxy)-ethanol, Dihydroxydiperiodatonickelate(IV)
Section
Research Article
Issue
Vol. 5 No. 2 (2014): June 2014
Dates
Received 2013-11-22
Accepted 2014-01-04
Published 2014-06-30


Main Article Content

Jinhuan Shan
College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
Ziwei Zhang
College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China

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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