Acid-base titrations in solvents of relatively low dielectric constant

M. Bos, E.A.M.F. Dahmen

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    From a comparison of the pKa values of various compounds in the solvent 1,2-dichloroethane, m-cresol, acetic acid and pyridine, the differences in basicity of these solvents could be determined. If the basicity of 1,2-dichloroethane is taken as 0 pK units, the basicities of m-cresol, acetic acid and pyridine were found to be 3, 7 and 11 pK units, respectively. It is shown how these differences in basicity can serve to predict pKa values in solvents belonging to the Brønsted classes 5–8.
    Original languageEnglish
    Pages (from-to)325-339
    JournalAnalytica chimica acta
    Issue number2
    Publication statusPublished - 1973


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