Reaction of atomic oxygen with some simple alkenes. 2: Reaction pathways involving ethene, propene and (E)-but-2-ene at atmospheric pressure

C. Anastasi, M.G. Sanderson, Palle Bjørn Pagsberg, A. Sillesen

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    Abstract

    Results from a study of the reaction of atomic oxygen with ethene and propene at atmospheric pressure are reported. Pulse radiolysis of CO2 has been used to generate ground-state atomic oxygen in the presence of the alkenes. The yield of methyl radicals from the reaction of O with ethene, propene and (E)-but-2-ene was measured as 0.70 ± 0.05, 0.15 ± 0.01 and 0.25 ± 0.08, respectively. The yield of the vinyloxyl radical, CH2CHO, from the reaction of O atoms with propene was found to be 0.12 ± 0.03, in good agreement with the methyl radical yield. An upper limit for other radical-producing channels for this reaction of 0.21 ± 0.07 was derived. The formyl radical (HCO) was also searched for in the ethene and propene systems but was not detected in either, which placed an upper limit on its yield of 0.03 in both systems.
    Original languageEnglish
    JournalJournal of the Chemical Society - Faraday Transactions
    Volume90
    Issue number24
    Pages (from-to)3625-3631
    ISSN0956-5000
    DOIs
    Publication statusPublished - 1994

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