Kinetics and mechanistic study of oxidation of alanine by cerium (IV) using Mn+2 as catalyst.
Keywords:
oxidation of alanine, Kinetics and mechanistic study, using Mn 2 as catalyst.Abstract
Metal ion Mn+2 as homogeneous catalyst has been used in the oxidation of alanine in acid medium. The reaction shows first order kinetics with respect to Ce(IV), the reactions also showedfraction order kinetics with respect to Mn+2 and alanine and inverse first order with respect to [H+]. The reaction product (Cerium(III) Sulphate (Ce2(SO4)3) was added to the reactions and had no effect on the rate of oxidation of alanine by Ce(IV). Changing ionic strength, dielectric constant and chloride ion of the medium has no effect on the rate of oxidation. Ce+2 and Mn+2have been suggested to be the reactive species. A reaction mechanism was suggested and rate law had been derived . Aldehyde have been identified to be the oxidation products of the reaction
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