The standard potentials of silver–silver halide electrodes and ion solvation in dimethyl sulphoxide–water mixtures at 25 °C

Khoo, K.H. (1971) The standard potentials of silver–silver halide electrodes and ion solvation in dimethyl sulphoxide–water mixtures at 25 °C. Journal of the Chemical Society A: Inorganic, Physical, and Theoretical Chemistry. pp. 2932-2936. ISSN 0022-4944

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Official URL: https://doi.org/10.1039/J19710002932

Abstract

Standard e.m.f.s of the cells H2|HX|AgX-Ag (X = Cl, Br, or I) in 10, 60, 70, and 80% (w/w) dimethyl sulphoxide-water mixtures are reported. These, together with values for mixtures of other compositions determined earlier, were used to calculate the molar free energies of transfer of the halogen acids from water to the mixed solvents. Single-ion values were derived therefrom by use of the extrathermodynamic assumptions of Feakins et al. and discussed in terms of ion solvation. It is shown that the solvophilicity of the ions is largely determined by their acid-base' interactions with the solvent molecules. The structural features of the solvents are briefly discussed.

Item Type: Article
Uncontrolled Keywords: Standard potentials; silver-silver halide electrodes; ion solvation; dimethyl sulphoxide-water mixtures
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science > Dept of Chemistry
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 06 Apr 2021 02:33
Last Modified: 06 Apr 2021 02:33
URI: http://eprints.um.edu.my/id/eprint/25822

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