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Kinetics of the oxidation of copper(I) by hydrogen peroxide in acidic chloride solutions

Nicol, M.J. (1982) Kinetics of the oxidation of copper(I) by hydrogen peroxide in acidic chloride solutions. South African Journal of Chemistry, 35 (3). pp. 77-79.

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Abstract

The kinetics of the reaction between copper(l) and hydrogen peroxide in aqueous chloride solutions was studied by use of an electrochemical technique. Oxidation by peroxide, which is formed as an intermediate during the oxidation of copper(l) by oxygen, is a reaction in which the rate is first-order in each of the reactants and which decreases with increasing chloride concentration. This effect is shown to be due to the decreasing rates of oxidation of copper(l) with increasing extent of coordination by chloride ions. A mechanism is proposed that involves single electron-transfer reactions and that is consistent with the thermodynamic properties of the reactants.

Publication Type: Journal Article
Publisher: South African Bureau for Scientific Publications
URI: http://researchrepository.murdoch.edu.au/id/eprint/30081
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