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Reaction of hydrogen atoms with nitric oxide

Reaction of hydrogen atoms with nitric oxide BY 0. P. STRAUSZ AND H. E. GUNNING Dept. of Chemistry, University of Alberta, Edmonton, Alberta, Canada Received 13th September, 1963 The reaction of hydrogen atoms with NO at room temperature was studied in a static system under a variety of conditions by (i) the in-sifu mercury-sensitization of H2 in the presence of NO, and (ii) the photolysis of CH20, admixed with NO. NZ and N20 are the primary products of the reaction, and the ratio [N2]/m20] increases with increasing PNO and decreasing la. The observed product distribution, quantum yield data and kinetic behaviour of the system are consistent with a mechanism based on the initial formation of nitroxyl and its subsequent competing reactions : 2HNO + M +N20+ H20 + M (4 HNOf2NO -+N2+HNO3 (b) by analogy with the corresponding reactions of nitrosoalkanes, with the principal difference here being that step (b) is not a chain process. The quantum yield data for the sensitized reaction show that the primary reaction between H2 and Hg 6(3P1) atoms proceeds with nearly perfect efficiency. Harteckl showed that H-atoms combine with NO to form an unstable com- pound of empirical formula, NHO. Taylor and Tanford 2 mercury-photosensitized H2 in the presence of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Transactions of the Faraday Society Royal Society of Chemistry

Reaction of hydrogen atoms with nitric oxide

Strausz, O. P.; Gunning, H. E.
Royal Society of Chemistry — Jan 1, 1964
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Abstract

BY 0. P. STRAUSZ AND H. E. GUNNING Dept. of Chemistry, University of Alberta, Edmonton, Alberta, Canada Received 13th September, 1963 The reaction of hydrogen atoms with NO at room temperature was studied in a static system under a variety of conditions by (i) the in-sifu mercury-sensitization of H2 in the presence of NO, and (ii) the photolysis of CH20, admixed with NO. NZ and N20 are the primary products of the reaction, and the ratio [N2]/m20] increases with increasing PNO and decreasing la. The observed product distribution, quantum yield data and kinetic behaviour of the system are consistent with a mechanism based on the initial formation of nitroxyl and its subsequent competing reactions : 2HNO + M +N20+ H20 + M (4 HNOf2NO -+N2+HNO3 (b) by analogy with the corresponding reactions of nitrosoalkanes, with the principal difference here being that step (b) is not a chain process. The quantum yield data for the sensitized reaction show that the primary reaction between H2 and Hg 6(3P1) atoms proceeds with nearly perfect efficiency. Harteckl showed that H-atoms combine with NO to form an unstable com- pound of empirical formula, NHO. Taylor and Tanford 2 mercury-photosensitized H2 in the presence of

Journal

Transactions of the Faraday Society – Royal Society of Chemistry

Published: Jan 1, 1964

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