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Electrochemical Studies on Binary Complexes in Different Dielectric Environment

M. B. Wasu, P. H. Bhagwat and A. R. Raut

The interaction of uranyl (IV) ion with benzoic acid have been investigated pHmetrically in different dielectric environment of 10%, 20%, 30%, 40% and 50%, dioxane- water mixtures. Bjerrum’s potentiometric titration as adopted by Calvin and Wilson have been used to determine proton –ligand and metal-ligand stability constant using Irving-Rossoti’s expression. The variation in values of n, n A, log K1 and log K2 at different percentage compositions of dioxane-water shows favourable effect on complexation equilibria.