Voltammetric determination of the p K a of various acids in polar aprotic solvents using 1 , 4-benzoquinone

Abstract

The effect of various proton-donors on the electrochemical reduction of 1,4-benzoquinone (BQ) was investigated in acetonitrile, dimethylsulfoxide and methylene chloride. Three representative types of acids, protonated amines, carboxylic acids and phenol derivatives, were used as proton-donors to cover a wide range of pKa. As a proton-donor is added, a new… (More)

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