The kinetics of the reactions of picryl chloride with some substituted anilines. Part III.

Abstract

Arrhenius parameters have been measured for the reactions of 3-X- and 3-X-5-nitroanilines (X = F, Cl, Br, or I) with picryl chloride in acetonitrile. In both series the span of the rate constants is small and although both log A values increase with increasing activation energies, the sequence of activation energies is different in the two series. The effect of the substituents in 3-fluoro-, 3-chloro-, and 3-iodo-5-nitroanilines on the free energies of activation is not additive.