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Issue 0, 1969
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Heterogeneous catalysis in solution. Part V. Catalysis by charcoal and silver iodide of the ethyl iodide–silver nitrate reaction

Abstract

The kinetics of the ethyl iodide–silver nitrate reaction in 0·02M-aqueous potassium nitrate solution at 5° were studied in the presence of charcoal and of silver iodide. The rates depended on the concentration of each substrate either raised to a fractional power, as in a Freundlich adsorption isotherm, or arranged in a form analogous to a Langmuir isotherm, and thus indicated a Langmuir–Hinshelwood mechanism. When the difference in surface areas was taken into account, silver iodide was found to be a more effective catalyst than charcoal by a factor of at least 40. The activation energies were 20 kcal. for the homogeneous reaction, 10.4 kcal. for the charcoal-catalysed process, and 8.5 kcal. for the reaction on the silver iodide surface.

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Article information


J. Chem. Soc. B, 1969, 669-674
Article type
Paper

Heterogeneous catalysis in solution. Part V. Catalysis by charcoal and silver iodide of the ethyl iodide–silver nitrate reaction

J. M. Austin, O. D. E.-S. Ibrahim and M. Spiro, J. Chem. Soc. B, 1969, 669
DOI: 10.1039/J29690000669

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