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Xenic acid

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Xenic acid
Structural formula
Structural formula
Ball-and-stick model of xenic acid
Ball-and-stick model of xenic acid
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/H2O4Xe/c1-5(2,3)4/h1-2HKey: HRLLZBGOCZURJC-UHFFFAOYSA-N
  • InChI=1/H2O4Xe/c1-5(2,3)4/h1-2HKey: HRLLZBGOCZURJC-UHFFFAOYAW
SMILES
  • O(O)(=O)=O
Properties
Chemical formula H2XeO4
Molar mass 197.31 g/mol
Acidity (pKa) ≈10
Related compounds
Related compounds Perxenic acid
Xenon trioxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
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.

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 HXeO
4 + 2 OH
→ XeO
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 XeO
4 are presently unknown.

References

  1. Perrin, D. D., ed. (1982) . 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. 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. ^ 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.
Noble gas compounds
Helium compounds
Neon compounds
Argon compounds
Krypton compounds
Xenon compounds
Xe(0)
Xe(I)
Xe(II)
Xe(IV)
Xe(VI)
Xe(VIII)
Radon compounds
Rn(II)
Rn(IV)
Rn(VI)
Oganesson compounds
(predicted)
Og(0)
  • Og2
  • OgH
Og(II)
  • OgF2
  • OgCl2
  • OgO
Og(IV)
  • OgF4
  • OgO2
  • OgTs4
Og(VI)
  • OgF6
Hypothetical compound
Xenon compounds
Xenon(0)
Xenon(I)
Xenon(II)
Organoxenon(II) compounds
  • XeC6F5F
  • XeC6F5C2F3
  • XeC6F5CF3
  • Xe(C6F5)2
  • XeC6F5C6H2F3
  • XeC6F5CN
  • Xe(CF3)2
    • Xenon(IV)
    Organoxenon(IV) compounds
  • XeF2C6F5BF4
    • Xenon(VI)
    Xenon(VIII)
    Category:Xenon compounds


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