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Kinetics of the aqueous manganese(III)+ iron(II) reaction by platinum-electrode polarography

Rosseinsky, D.R. and Nicol, M.J. (1968) Kinetics of the aqueous manganese(III)+ iron(II) reaction by platinum-electrode polarography. Transactions of the Faraday Society, 64 . p. 2410.

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Abstract

The rate equation –d[FeII]/dt=kobs[FeII][MnIII] was established by measurements of the iron(II) diffusion current. For 0.3–15°C in 0.54-3 M HClO4 the variation of kobs was consistent with the relation kobs=(ko[H+]+k1Kh)/([H+]+Kh), where Kh is the manganese(III) hydrolysis constant. Values of k0 are just less than k1 as in the comparable oxidation of vanadium(IV). It is concluded from further comparisons of rates that the activated complexes are outer-sphere.

Publication Type: Journal Article
Publisher: Royal Society of Chemistry
Copyright: 1968 RSC
URI: http://researchrepository.murdoch.edu.au/id/eprint/29824
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