Kinetics and mechanism of substitution of [RuIII(Hedtra)(H2O)] (Hedtra = N-hydroxyethylethylenediaminetriacetate) with iodide ion in aqueous solution

Das, Amitava ; Bajaj, Hari C. ; Chatterjee, Debabrata (1994) Kinetics and mechanism of substitution of [RuIII(Hedtra)(H2O)] (Hedtra = N-hydroxyethylethylenediaminetriacetate) with iodide ion in aqueous solution Transition Metal Chemistry, 19 (1). pp. 111-112. ISSN 0340-4285

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Official URL: http://www.springerlink.com/content/q702686306706g...

Related URL: http://dx.doi.org/10.1007/BF00166282

Abstract

The interaction of iodide ion with [RuIII(Hedtra)(H2O)] (Hedtra = N-hydroxyethylethylenediaminetriacetate) was investigated by spectrophotometry, electrochemical and stopped-flow techniques. The rate of formation of a red [RuIII(Hedtra)I]- complex was found to be first order both with respect to [RuIII(Hedtra)(H2O)] and [I-]. Rate and activation parameters are consistent with the proposed associative interchange mechanism. Experimental results are discussed with reference to the data available for other ligand substitutions of the [RuIII(Hedtra)(H2O)] complex.

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