Xenic_acid

Xenic acid

Xenic acid

Chemical compound

Xenic acid is a proposed noble gas compound with the chemical formula H2XeO4 or XeO2(OH)2. It has not been isolated, and the published characterization data are ambiguous.[2]

Quick Facts Identifiers, Properties ...

Salts of xenic acid are called xenates, containing the HXeO−
4 anion, such as monosodium xenate. They tend to disproportionate into xenon gas and perxenates:[3]

2 HXeO−
4 + 2 OH−
 → XeO4−
6 + Xe + O
2 + 2 H
2O

The energy given off is sufficient to form ozone from diatomic oxygen:

3 O
2 (g) → 2 O
3 (g)

Salts containing the deprotonated anion XeO2−
4 are presently unknown.[3]

References

  1. [1]
    Perrin, D. D., ed. (1982) [1969]. Ionisation Constants of Inorganic Acids and Bases in Aqueous Solution. IUPAC Chemical Data (2nd ed.). Oxford: Pergamon (published 1984). Entry 262. ISBN 0-08-029214-3. LCCN 82-16524.
  2. [2]
    Claassen, Howard H.; Knapp, Geraldine. (1964). "Raman Spectrum of Xenic Acid". Journal of the American Chemical Society. 86 (12): 2341–2342. doi:10.1021/ja01066a008.
  3. [3]
    Egon Wiberg; Nils Wiberg; Arnold Frederick Holleman (2001). Inorganic chemistry. Academic Press. p. 399. ISBN 0-12-352651-5.

Further reading

  • Bruno Jaselskis, Stanislaus Vas (May 1964). "Xenic Acid Reactions with vic-Diols". J. Am. Chem. Soc. 86 (10): 2078–2079. doi:10.1021/ja01064a041.


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