Conclusions
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1.
The decomposition of xenon trioxide in aqueous solution proceeds via a chain mechanism over the range 1 < pH < 10 with the formation of hydrogen peroxide and XeO2 (XeO) as intermediate substances.
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2.
Over the range pH >10 the chain mechanism changes to an ionic mechanism involving the di-sproportionation of Xe(VI) with the formation of Xe(VIII) perxenates.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2678–2681, December, 1987.
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Kashtanov, S.A., Aleinikov, N.N. & Dubovitskii, F.I. Kinetics of the reactions of xenon trioxide. Communication 4. Mechanism of the decomposition of xenon trioxide in aqueous solution. Russ Chem Bull 36, 2481–2485 (1987). https://doi.org/10.1007/BF00957215
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DOI: https://doi.org/10.1007/BF00957215