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Heterogeneous catalysis in solution. Part 21. The effect of various carbons on the solvolysis of 2-chloro-2-methyl-1-phenylpropane in 50% v/v ethanol–water

journal contribution
posted on 23.01.2013 by Roger J. Mortimer, Michael Spiro
The first-order solvolysis of PhCH2CMe2Cl in 50% v/v EtOH–H2O at 40 °C was found to be inhibited by two types of carbon, Hopkin and Williams activated charcoal and Akzo Ketjenblack E.C. Competitive adsorption experiments indicated that the substrate was adsorbed at its phenyl end. The surface solvolysis was found by a combination of kinetic and adsorption measurements to have a rate constant 1/4 as large as the homogeneous solvolysis and a greater activation energy. The main reason for the slower solvolysis of the adsorbed molecules was preferential adsorption of ethanol on the carbon surface. The adsorption isotherm on charcoal of PhCH2CMe2Cl in 50% v/v EtOH–H2O was also derived from the experimental data.

History

School

  • Science

Department

  • Chemistry

Citation

MORTIMER, R.J. and SPIRO,M., 1980. Heterogeneous catalysis in solution. Part 21. The effect of various carbons on the solvolysis of 2-chloro-2-methyl-1-phenylpropane in 50% v/v ethanol–water. Journal of the Chemical Society, Perkin Transactions 2, 8, pp. 1228 - 1233

Publisher

© The Royal Society of Chemistry

Version

VoR (Version of Record)

Publication date

1980

Notes

This article is closed access, it was published in the serial Journal of the Chemical Society, Perkin Transactions 2 [© The Royal Society of Chemistry]. The definitive version is available at: http://dx.doi.org/10.1039/P29800001228

ISSN

1472-779X

Language

en

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