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Kinetics of oxidation of iodide by hexacyanoferrate(II) in binary aqueous solvent mixtures

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Summary

The kinetics of the oxidation of iodide by hexacyanoferrate(III) have been studied in different H2O-methanol, t-butanol, ethylene glycol glycerol, glucose or sucrose mixtures. Specific solvent effects are found as shown by the different trends in activation parameters and in the variations of the initial state and transition state chemical potentials as observed in different media. From the results of a multiple linear correlation, it is concluded that the kinetics are controlled by the ionizing power of the solvents, their relaxation times and the outer sphere reorganization energies.

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Authors and Affiliations

  1. Departamento de Quimica Fisica, Universidad de Sevilla, Tramontana s/n, 41012, Sevilla, Spain

    Amalia Rodriguez, Ernestina Muñoz, Rafael Jiménez, Carmen Carmona & Francisco Sánchez

  2. Department of Chemistry, University of Leicester, LE1 7RH, U.K.

    John Burgess

Authors
  1. Amalia Rodriguez
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  2. Ernestina Muñoz
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  3. Rafael Jiménez
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  4. Carmen Carmona
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  5. Francisco Sánchez
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  6. John Burgess
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Rodriguez, A., Muñoz, E., Jiménez, R. et al. Kinetics of oxidation of iodide by hexacyanoferrate(II) in binary aqueous solvent mixtures. Transition Met Chem 16, 102–107 (1991). https://doi.org/10.1007/BF01127881

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  • DOI: https://doi.org/10.1007/BF01127881

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