Journal of Chemistry

Journal of Chemistry / 2008 / Article

Open Access

Volume 5 |Article ID 673042 | https://doi.org/10.1155/2008/673042

Mansur Ahmed, K. Subramani, "Kinetics of Oxidation of Cobalt(III) Complexes of a Acids by Hydrogen Peroxide in the Presence of Surfactants", Journal of Chemistry, vol. 5, Article ID 673042, 9 pages, 2008. https://doi.org/10.1155/2008/673042

Kinetics of Oxidation of Cobalt(III) Complexes of a Acids by Hydrogen Peroxide in the Presence of Surfactants

Received05 Apr 2007
Accepted20 Jul 2007

Abstract

Hydrogen peroxide oxidation of pentaamminecobalt(III) complexes of α-hydroxy acids at 35°C in micellar medium has been attempted. In this reaction the rate of oxidation shows first order kinetics each in [cobalt(III)] and [H2O2]. Hydrogen peroxide induced electron transfer in [(NH3)5 CoIII-L]2+ complexes of α-hydroxy acids readily yields 100% of cobalt(II) with nearly 100% of C-C bond cleavage products suggesting that it behaves mainly as one equivalent oxidant in micellar medium. With unbound ligand also it behaves only as C-C cleavage agent rather than C-H cleavage agent. With increasing micellar concentration an increase in the rate is observed.

Copyright © 2008 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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