Xenic acid
Structural formula
Structural formula
Ball-and-stick model of xenic acid
Ball-and-stick model of xenic acid
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/H2O4Xe/c1-5(2,3)4/h1-2H ☒N
    Key: HRLLZBGOCZURJC-UHFFFAOYSA-N ☒N
  • InChI=1/H2O4Xe/c1-5(2,3)4/h1-2H
    Key: HRLLZBGOCZURJC-UHFFFAOYAW
  • O[Xe](O)(=O)=O
Properties
H2XeO4
Molar mass 197.31 g/mol
Related compounds
Related compounds
 Perxenic acid
Xenon trioxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

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.[1]

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:[2]

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.[2]

References

  1. ↑ 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.
  2. 1 2 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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