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Kinetic study of the oxidation of ethanol by 3,4-lutidine chromium(VI) peroxide in dichloromethane solution

✍ Scribed by Mir Fazlollah Mousavi; Habib Firouzabadi; Mojtaba Shamsipur

Publisher: John Wiley and Sons
Year: 1994
Tongue: English
Weight: 300 KB
Volume: 26
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550260502

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✦ Synopsis

Abstract

The oxidation kinetics of ethanol with 3,4‐lutindine chromium(VI) peroxide (LCP) were investigated by monitoring the absorbance change at 565 nm in dichloromethane solution. The reaction had a first‐order dependence on oxidant and a fractional (one half) dependence on reactant. The stoichiometric ratio between LCP and ethanol was 1 : 2. The activation parameters were determined from temperature dependence of the reaction rate. It was found that the cleavage of the peroxide groups of LCP is primarily responsible for the oxidant of ethanol to acetaldehyde. Based on the kinetic results obtained (including deuterium isotope effect) a plausible mechanism is proposed. © 1994 John Wiley & Sons, Inc.

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