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Oxidation of thallium(I) by hexacyanoferrate(III) in aqueous acetic acid

✍ Scribed by G. S. Gokavi; J. R. Raju

Publisher: John Wiley and Sons
Year: 1988
Tongue: English
Weight: 602 KB
Volume: 20
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550200503

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✦ Synopsis

The hexacyanoferrate(II1)-thallium(1) reaction in aqueous acetic acid containing large concentrations of hydrochloric acid is considerably accelerated both by hydrogen and chloride ions as well as increasing acetic acid in the medium. The experimental results obey the rate law (1) where PI to p6

(1) are the cumulative stability constants of the species TlC1, TlCli, TlCIi-, HFe(CN)i , H2Fe(CN); and H3Fe(CN), respectively and k, and kb are the rate constants associated with the mono-and di-protonated oxidant species. The main active species are H,Fe(CN); and TlCl, .

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