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Kinetics of the molybdate catalyzed oxidation of iodide by hydrogen peroxide

✍ Scribed by R. H. Smith; J. Kilford

Publisher
John Wiley and Sons
Year
1976
Tongue
English
Weight
418 KB
Volume
8
Category
Article
ISSN
0538-8066

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✦ Synopsis

Abstract

The kinetics of the oxidation of iodide by hydrogen peroxide catalyzed by acidic molybdate have been studied by a spectrophotometric stopped‐flow method. The results are interpreted in terms of the mechanism
equation image

and the implied rate law

where [mol] is total analytical concentration of molybdate. The values obtained for the rate and equilibrium constants are k~4~ = (3.3 ± 1) × 10^2^ 1./mole · s, K~1~ = (1.2 ± 0.6) × 10^4^ 1./mole, K~2~ = (1.3 ± 0.7) × 10^3^ 1./mole, and K~3~ = (4 ± 3) × 10^2^ 1./mole at 298°K.

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