Reactions
At temperatures above −35.9 °C, xenon tetroxide is very prone to explosion, decomposing into xenon gas and oxygen with ΔH = −643 kJ/mol:
- XeO4 → Xe + 2 O2
Xenon tetroxide dissolves in water to form perxenic acid and in alkalis to form perxenate salts:
- XeO4 + 2 H2O → H4XeO6
- XeO4 + 4 NaOH → Na4XeO6 + 2 H2O
Xenon tetroxide can also react with xenon hexafluoride to give xenon oxyfluorides:
- XeO4 + XeF6 → XeOF4 + XeO3F2
- XeO4 + XeF6 → XeO2F4 + XeO2F2
Read more about this topic: Xenon Tetroxide
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