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The mechanism of the photooxidation of ammonia

โœ Scribed by Stuart Z. Levine; Jack G. Calvert

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
404 KB
Volume
46
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Computer simulation of the product rates and quantum yields has been made to test the feasibility of mechanism alternatives for N2 and N20 formation in the photooxidation of NHs. It is concluded that the older Gesser mechanism for nitrogen formation is still consistent with ah of the available kinetic information on this system: NH3 + hv + NH* + H; NH1 + 02 + NO + HaO; NH2 + NO 4 N2 + H20. The recent alternative mechanism of Jayanty, Simonaitis, and Heicklcn may occur, but this remains unproven. Experiments are suggested which will allow a more definitive

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A mechanism for the formation in a chain of H,, CO, and HCOOH in the photooxidation of formaldehyde is proposed. This mechanism is initiated by the addition of HO, to formaldehyde. Hydrogen atoms are produced by the thermal dissociation of the HOCH,O radical: HOCH,O -+ H + HCOOH; AH = + 3.2 kcal/mol