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Kinetic study of ruthenium(VI)-catalyzed oxidation of 2-butanol by alkaline hexacyanoferrate(III)

✍ Scribed by A. E. Mucientes; F. J. Poblete; D. Rodriguez; M. A. Rodriguez; F. Santiago

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
180 KB
Volume
31
Category
Article
ISSN
0538-8066

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✦ Synopsis

The oxidation kinetics of 2-butanol by alkaline hexacyanoferrate(III) catalyzed by sodium ruthenate has been studied spectrophotometrically. The initial rates method was used for kinetic analysis. The reaction rate shows a fractional-order in [hexacyanoferrate(III)] and [substrate] and a first-order dependence on [Ru(VI)]. The dependence on [OH Οͺ ] is rather more complicated. The kinetic data suggest a reaction mechanism involving two active catalytic species. Each one of these species forms an intermediate complex with the substrate. The attack of these complexes by hexacyanoferrate(III), in a slow step, produces ruthenium(V) complexes which are oxidized in subsequent steps to regenerate the catalyst species.

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