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Oxidation of ethylenediaminetetraacetatocobaltate(II) by periodate in aqueous acidic solutions

✍ Scribed by Ahmad Y. Kasim; Yousif Sulfab

Publisher: Elsevier Science
Year: 1977
Tongue: English
Weight: 333 KB
Volume: 24
Category: Article
ISSN: 0020-1693
DOI: 10.1016/s0020-1693(00)93883-0

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✦ Synopsis

The kinetics of oxidation of CoEDTA2-by periodate follow the rate law (i) Rate = k&l [CoEDTA2-I F-1 1 +Kl[L-] Where [L-l is the total periodate concentration, k3 is the rate constant for the electron-transfer process, and K, is the pre-equilibrium formation constant. Activation parameters are reported. An intermediate was identified spectrophotometrically which slowly forms hexadentate CoEDTA-. The rate of this ring closure has been measured.

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