Abstract
The kinetics of oxidation of acetoacetanilide by potassium hexacyanoferrate(III) at a constant ionic strength of 0.5 mol dm−3 in aqueous alkaline medium has been studied successfully. The reaction follows less than unit order kinetics with respect to acetoacetanilide and hydroxide ion concentrations. The effect of dielectric constant and ionic strength was investigated. Activation parameters with respect to slow step were determined and discussed. Thermodynamic quantities were also determined. The final product of the reaction has been recognised as a dimer with the evidence of LCMS, UV–Vis, and IR spectra. Based on the experimental results and product analysis a mechanism involving free radicals was proposed.
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