Tk. Varadarajan et al., PREFERENTIAL SOLVATION OF SOME SILVER(I) SALTS IN ISODIELECTRIC MIXTURES OF METHANOL AND N-METHYL-2-PYRROLIDINONE AT 30-DEGREES-C, Berichte der Bunsengesellschaft fur Physikalische Chemie, 101(4), 1997, pp. 676-680
Citations number
29
Categorie Soggetti
Chemistry Physical
Journal title
Berichte der Bunsengesellschaft fur Physikalische Chemie
The solvation behavior of various silver(I) salts, viz. silver(I) ioda
te, bromate and sulfate in iso-dielectric solvent mixtures of methanol
and N-methyl-2-pyrrolidinone (NMP) has been investigated using Gibbs
transfer energies and solvent transport number measurements. The Gibbs
transfer energies of the salts were split into their individual ionic
contributions using both negligible liquid junction potential method
(nLJP) and the reference electrolyte method using tetraphenylarsonium
tetraphenylborate (TATB). The results show a significant heteroselecti
ve solvation of all salts beyond X-NMP = 0.5 with silver ion being sel
ectively solvated by NMP and the anions by methanol.