Issue 22, 1972

Autocatalytic reduction of a bis(dimethylglyoxime) complex of rhodium(III) in alkaline aqueous ethanol

Abstract

The compound [RhIII(DH)(DH2)Cl2](DH2= dimethylglyoxime) is reduced in alkaline aqueous ethanol under an inert atmosphere to a rhodium(I) complex. A detailed kinetic study of this reaction has been carried out and the rate equation governing the reaction shown to be of the form d[RhI]/dt=k[RhIII][RhI]. The observed rate constant varies with the inverse fourth power of the hydroxide-ion concentration, but is independent of the concentration of added chloride ion. The variation of rate with temperature is also reported. A mechanism is postulated to account for the experimental results.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1972, 2469-2472

Autocatalytic reduction of a bis(dimethylglyoxime) complex of rhodium(III) in alkaline aqueous ethanol

J. D. Miller and F. D. Oliver, J. Chem. Soc., Dalton Trans., 1972, 2469 DOI: 10.1039/DT9720002469

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