Cooperative oxidation of edta by Ni(III) and dioxygen. A pulse radiolysis study

Israel Zilbermann, Eric Maimon, Haim Cohen, Rudi Van Eldik, Dan Meyerstein

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The oxidation of the edta ligand in the NiIIIedta- complex in the presence of dioxygen obeys a second order dependence on [NiIII(edta)-] and a first order dependence on [O2], k=(2.0±0.4)×108 dm6 mol-2 s-1, indicating a cooperative mechanism of oxidation in which one molecule of dioxygen and two NiIII(edta)- complexes are involved.

Original languageEnglish
Pages (from-to)46-48
Number of pages3
JournalInorganic Chemistry Communications
Volume1
Issue number2
DOIs
StatePublished - 1 Feb 1998
Externally publishedYes

Bibliographical note

Funding Information:
This study was supported in part by a grant from the Budgeting and Planning Committee of The Council of Higher Education and the Israel Atomic Energy Commission. D.M. wishes to express his thanks to Mrs Irene Evens for her ongoing interest and support.

Keywords

  • Dioxygen
  • EDTA oxidation
  • Nickel complexes
  • Pulse radiolysis

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