Abstract
The kinetics of the silver(I)-catalysed oxidation of CeIII by [S2O8]2– in 0.5 mol dm–3 sulphuric acid have confirmed a zero-order dependence on [CeIII] and a first-order dependence on [AgI]. However, the order with respect to [S2O82–] is less than one and the reaction is retarded by both hydrogen sulphate ions and sulphuric acid. The probable mechanism of the reaction is discussed.
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