SALT EFFECTS ON THE KINETICS OF DISSOCIATION OF THE PENTACYANO-4-CYANOPYRIDINEFERRATE(II) ANION

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Author list: BARRIOS A, GRACIANI MD, JIMENEZ R, MUNOZ E, SANCHEZ F, MOYA ML, ALSHEHRI S, BURGESS J
Publisher: Springer Verlag (Germany)
Publication year: 1992
Volume number: 17
Issue number: 3
Start page: 231
End page: 234
Number of pages: 4
ISSN: 0340-4285
Languages: English-Great Britain (EN-GB)


Abstract

The kinetics of replacement of 4-cyanopyridine (4-CNpy) bv CN- in [Fe(CN)5(4-CNpy)]3- have been studied in different concentrations of electrolyte. Plots of ln(k/k(w)) versus (gamma - gamma(W)), where the subscript w refers to pure water and gamma is the surface tension of the appropriate salt solution, gave a common straight line for all the electrolytes studied. This result seems to confirm the D character of the process studied and permits an estimate of the activation volume to be made from kinetic data.


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Last updated on 2019-23-08 at 11:15