Abstract

AbstractKinetic data for the reactions of sodium with water, ethanol, and t‐butyl alcohol in liquid ammonia are consistent with the mechanism: magnified image Analysis of the data for these reactions yields values for k1 and k2/k3. k3 has been measured directly at ‐35°C by reacting solutions of sodium and ammonium bromide in liquid ammonia using the stopped‐flow technique. Rate data for the reaction of cesium with water in ethylenediamine have been analyzed on the assumption that two parallel second‐order reactions are operative. Kinetic data for the reaction of cesium with water in methylamine at ‐70°C could best be explained in terms of Equation (1) and (2) where NH3 is replaced by CH3NH2. The reaction of sodium with water in methylamine was found to be consistent with observed second‐order kinetics. Recent data for the metal‐ammonia‐alcohol reduction of benzene suggest that a steady‐state concentration of ammonium radicals is established.

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