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Kinetics and mechanism of oxidation of ?,?-unsaturated alcohols by manganese(III) acetate in aqueous sulphuric acid medium by S. Pulla Rao; M. Anand Rao is a Chemistry article available to read on EtoBox.
What is Kinetics and mechanism of oxidation of ?,?-unsaturated alcohols by manganese(III) acetate in aqueous sulphuric acid medium about?
The kinetics of oxidation of c~,/?-unsaturated alcohols (UA's), such as prop-2-ene-l-ol, but-2-ene-l-ol and 3phenyl-prop-2-ene-l-ol, by manganese(III) acetate in aqueous H2SO 4 at constant ionic strength and different acidities has been studied. The reaction was found to proceed through an outer sphere mechanism. The reactions were first order with respect to [Mn m] and fractional order in [UA]. The reaction showed first order dependence in [H+], and the rate decreased on addition of [Mn~X]. Added salts, such as Na2SO4, had a negligible effect on the rate. The data suggested that disproportionation of the MnH~-UA complex into free radicals was the rate determining step in the presence of [MnH]. A mechanism consistent with the experimental data is proposed. The activation parameters have been evaluated for the temperature range 298-313 K.
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- Author
- S. Pulla Rao; M. Anand Rao
- Publisher
- Springer; Springer-Verlag; Kluwer Academic Publishers; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0340-4285)
- Published
- 1993
- Language
- EN
- Field
- Chemistry (Physical Sciences)