Abstract
The conductance behavior of certain univalent inorganic and organic acids, viz., hydrochloric, hydrobromic, hydroiodic, perchloric, 2,5-dichlorobenzenesulfonic, p-toluene sulfonic, and methanesulfonic acids, and certain alkaline earth perchlorates, viz., magnesium, calcium, barium, and strontium perchlorates, has been studied in 80 mass % propylene carbonate + p-xylene medium. While the conductivity data of perchloric acid have been processed using the Fuoss conductance-concentration equation, the data of the remaining acids have been interpreted based on assumed equilibria involving simple dissociation, homoconjugation, and dimerization. The derived parameters such as limiting ionic conductivities, equilibrium constants, etc. are reported. The conductance behavior of alkaline earth perchlorates has been studied using the Fuoss-Edelson method; the resulting limiting ionic conductivities of metal ions and first step association constants of these divalent perchlorates are reported. The conductance behavior of salts and acids is interpreted in terms of specific interactions of ions in this medium.
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