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Medientyp:
E-Artikel
Titel:
Decomposition of hydrazoic acid in nitric acid
Beteiligte:
Maya, Brian M.;
Stedman, Geoffrey
Erschienen:
Royal Society of Chemistry (RSC), 1983
Erschienen in:
Journal of the Chemical Society, Dalton Transactions (1983) 2, Seite 257-259
Sprache:
Englisch
DOI:
10.1039/dt9830000257
ISSN:
0300-9246;
1364-5447
Entstehung:
Anmerkungen:
Beschreibung:
Hydrazoic acid in solution in nitric acid at 97 °C decomposes to form a mixture of N2, N2O, and NO. The reaction is strongly acid catalysed and the kinetics of decomposition are first order with respect to hydrazoic acid concentration. The mechanism proposed involves electrophilic attack by NO2+ on hydrazoic acid to form N3ONO, which can then fragment to N2+ 2NO˙ or dissociate to N3˙+ NO2˙. Dinitrogen monoxide is thought to arise from the reaction sequence: 2NO2˙→ N2O4; N2O4+ HN3→ N3NO + HNO3; N3NO → N2+ N2O.