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Kinetic study of the reactions of oxoiron(IV) with aromatic substrates in aqueous solutions

✍ Scribed by Daniel O. Mártire; Paula Caregnato; Jorge Furlong; Patricia Allegretti; Mónica C. Gonzalez

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
165 KB
Volume
34
Category
Article
ISSN
0538-8066

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✦ Synopsis

Abstract

The kinetics of the reactions of oxoiron(IV) (FeO^2+^) with phenol, nitrobenzene, m‐, o‐, and p‐nitrophenol in 1 M HClO~4~ was investigated by the stopped‐flow technique. The rate constants of these reactions decrease with increasing the one‐electron reduction potentials of the corresponding radical cations of the substrates and with the Hammett parameter of the NO~2~ group in the phenol ring. A reaction mechanism is proposed, which accounts for the observed trends and for the nature of the reaction products. © 2002 Wiley Periodicals, Inc. Int J Chem Kinet 34: 488–494, 2002

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