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Study of the Ligand Substitution Reaction [Fe(CN)5(4-tbupy)]3- + Pyrazine in Concentrated Aqueous Electrolyte Solutions: Estimation of the Activation Volume

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Abstract

The ligand substitution reaction [Fe(CN)5(4-tbupy)]3- + pyrazine (4-tbupy=4-tertbutylpyridine) was studied in aqueous concentrated electrolyte solutions at 298 K. Plots of ln(k/kw) against (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 and permits to estimate the activation volume.

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Authors and Affiliations

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

    Gaspar Fernández, María del Mar Graciani, Amalia Rodríguez, María Múñoz & María Luisa Moyá

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  1. Gaspar Fernández
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  2. María del Mar Graciani
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  3. Amalia Rodríguez
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  4. María Múñoz
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  5. María Luisa Moyá
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Fernández, G., del Mar Graciani, M., Rodríguez, A. et al. Study of the Ligand Substitution Reaction [Fe(CN)5(4-tbupy)]3- + Pyrazine in Concentrated Aqueous Electrolyte Solutions: Estimation of the Activation Volume. Reaction Kinetics and Catalysis Letters 70, 389–394 (2000). https://doi.org/10.1023/A:1010373823987

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