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1968•Australian Journal of ChemistryRequires access

The influence of pH on the reaction between tartaric acid and metaperiodic acid

P. S. Verma, K. C. Grover

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Abstract

Tartaric acid in phosphate buffer (pH 6.6) at 30º consumed 2,003 ± 0.001 molar proportions of periodic acid in 2.5 hr. The reaction has been shown to be of second order. It is suggested that the oxidation proceeds through the disproportionation of a coordination compound intermediate involving the bitartrate and IO4 or H4IO4 ions, followed by the subsequent slow oxidation of glyoxylic acid to give formic acid.

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What this paper is about

Tartaric acid in phosphate buffer (pH 6.6) at 30º consumed 2,003 ± 0.001 molar proportions of periodic acid in 2.5 hr. The reaction has been shown to be of second order. It is suggested that the oxidation proceeds through the disproportionation of a coordination compound intermediate involving the bitartrate and IO4 or H4IO4 ions, followed by the subsequent slow oxidation of glyoxylic acid to give formic acid.

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Available abstract

Tartaric acid in phosphate buffer (pH 6.6) at 30º consumed 2,003 ± 0.001 molar proportions of periodic acid in 2.5 hr. The reaction has been shown to be of second order. It is suggested that the oxidation proceeds through the disproportionation of a coordination compound intermediate involving the bitartrate and IO4 or H4IO4 ions, followed by the subsequent slow oxidation of glyoxylic acid to give formic acid.

Key concepts: Glyoxylic acid, Chemistry, Tartaric acid, Disproportionation, Formic acid, Biocatalysis, Catalysis, Reaction mechanism

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