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Salt effects on the kinetics of dissociation of the pentacyano-4-cyanopyridineferrate(II) anion

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Summary

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

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Authors and Affiliations

  1. Departmento de Química Física, Universidad de Sevilla, C/ Profesor García González s/n, 41012, Sevilla, Spain

    Antonio Barrios, María del Mar Graciani, Rafael Jiménez, Ernestina Muñoz, Francisco Sánchez & María Luisa Moyá

  2. Department of Chemistry, University of Leicester, LE1 7RH, Leicester, UK

    Saad Alshehri & John Burgess

Authors
  1. Antonio Barrios
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  2. María del Mar Graciani
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  3. Rafael Jiménez
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  4. Ernestina Muñoz
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  5. Francisco Sánchez
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  6. María Luisa Moyá
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  7. Saad Alshehri
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  8. John Burgess
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Barrios, A., Graciani, M.d.M., Jiménez, R. et al. Salt effects on the kinetics of dissociation of the pentacyano-4-cyanopyridineferrate(II) anion. Transition Met. Chem. 17, 231–234 (1992). https://doi.org/10.1007/BF02910844

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  • DOI: https://doi.org/10.1007/BF02910844

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