Kinetics and Mechanism of Oxidation of Tellurium(IV) by Alkaline Diperiodatonickelate(IV)
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A.L. Harihar
Abstract
The kinetics of oxidation of tellurium(IV) (Te(IV)) by diperiodatonickelate(IV) (DPN) in aqueous alkaline medium has been studied spectrophotometrically. The reaction exhibits first order in [DPN] and fractional order both in [Te(IV)] and [OH-]. Periodate has a retarding effect on the rate of reaction. Effects of added products, ionic strength and dielectric constant of the reaction medium have been investigated. A mechanism involving the monoperiodatonickelate( IV) (MPN) as the reactive species of the oxidant has been proposed. The constants involved in the mechanism are obtained. There is a good agreement between the observed and calculated rate constants. The activation parameters are computed with respect to the slow step of the mechanism.
© 2014 by Walter de Gruyter Berlin/Boston
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- Notes for Contributors. Inorganic Reaction Mechanisms
- Journal Order Form
Articles in the same Issue
- Tribute
- Kinetics of Dissociation of the Cobalt(II) and Copper(II) Complexes of 2,2′,2″-tris(monomethylamino)triethylamine in Aqueous Acidic Solution
- The Influence of Steric Effects on the Oxidation Kinetics of [FeII(aminopolycarboxylato)] Complexes with Dioxygen
- The Hydrolysis Kinetics of ds-diamminedichloroplatinum(II). 10. Activation Volumes for Halide Anation of Some czs-[Pt(N)2(OH2)2]2+ Systems
- The Dependence of the Copper Dissociation Rate Constants from Human(Serum)- and Ονο-Transferrin on pH and the Anions
- Kinetics of the Photosubstitution of ds-Bis(benzonitrile)dichloroplatinum(II) in Chloroform
- Kinetics and Mechanisms of the Reaction of Aluminium(III) with Polyaminocarboxylic Acids
- Kinetics and Mechanism of Oxidation of Tellurium(IV) by Alkaline Diperiodatonickelate(IV)
- Complexation of Pendant Arm Macrocycles with Cu(II) Hydroxo Complexes in Strongly Alkaline Solutions. Investigation of pH Dependences
- Kinetics and Mechanism of the Chromium(VI) Oxidation of Formic Acid in the Presence of Picolinic Acid and in the Presence and Absence of Surfactants
- Kinetics and Mechanism of Chromium(III) Catalysed Oxidation of Propan-1-ol and Butan-1-ol by Cerium(IV) in Aqueous Sulfuric acid Media
- Notes for Contributors. Inorganic Reaction Mechanisms
- Journal Order Form
