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Volume 63, 1967
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Reactions of acetyl radicals. Part 1.—Photolysis of acetone in presence of nitric oxide and of nitrogen dioxide

Abstract

The photolysis of acetone in presence of nitric oxide and of nitrogen dioxide was studied in order to obtain information about the kinetics of acetyl radical reactions. The ratio of nitric oxide to nitrogen dioxide, and the temperature, determine whether nitrogen dioxide is produced or consumed during photolysis. The initial yields of nitrogen dioxide are explained in terms of a competition between nitric oxide and nitrogen dioxide for acetyl radicals. In the temperature range 20–60°C, the reaction CH3CO+NO2→CH3+CO2+NO is 5 times as rapid as the reaction CH3CO+NO→CH3CONO. Evidence for the dissociation CH3CONO→CH3CO+NO has been found. The ratio of the dissociation rate constant to that for the reaction CH3CONO+2NO→CH3CO+N2+NO3 has been evaluated.

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Article type: Paper
DOI: 10.1039/TF9676302459
Trans. Faraday Soc., 1967,63, 2459-2463

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    Reactions of acetyl radicals. Part 1.—Photolysis of acetone in presence of nitric oxide and of nitrogen dioxide

    M. I. Christie and M. A. Voisey, Trans. Faraday Soc., 1967, 63, 2459
    DOI: 10.1039/TF9676302459

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