Kinetics of irreversible chemisorprion: Surface reduction of MnO2 by cyclohexane, cyclohexene, and 1,3- and 1,4-cyclohexadiene

Jean-Marie Maurice Basset*, A. Vidaurre, W. F. Graydon, H. Praliaud

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The surface reduction of MnO2 by cyclohexane, cyclohexene, and both 1,3- and 1,4-cyclohexadiene produces benzene and water. A kinetic study and electrical measurements were performed in order to determine the rate-determining step of the reduction. The variations of the rate with temperature are identical to the variations of the number of active oxygen atoms; the apparent activation energy increases in the order cyclohexadienes (7.2 kcal/mole), cyclohexene (8 kcal/mole) and cyclohexane (11 kcal/mole). It has been found that it is the activation of the surface oxygen under the influence of the organic compound-by means of the CH bond-which determines the rate.

Original languageEnglish (US)
Pages (from-to)118-126
Number of pages9
JournalJournal of Catalysis
Volume26
Issue number1
DOIs
StatePublished - Jan 1 1972

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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