Estimate of the electron exchange rate constant for the 6-molybdocobaltate(III)/(II) couple from studies on the oxidation with iodide using Marcus theory

Estimate of the electron exchange rate constant for the 6-molybdocobaltate(III)/(II) couple from studies on the oxidation with iodide using Marcus theory.The oxidation of iodide ion by hexahydrogenhexamolybdocobaltate(III) ion in perchloric acid is described by the reactions.