Caesium superoxide
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Through Chemical formula, Oxygen and Crystal structure
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Properties
Caesium superoxide's crystal structure is same as calcium carbide. It contains direct oxygen-oxygen bonding.
It reacts with water to form hydrogen peroxide and caesium hydroxide.
- 2 CsO2 + 2 H2O → O2↑ + H2O2 + 2 CsOH
Heating to approximately 400 °C induces thermal decomposition to caesium peroxide.
The standard enthalpy of formation ΔHf0 of caesium superoxide is −295 kJ/mol.
Caesium superoxide reacts with ozone to form caesium ozonide.
- CsO2 + O3 → CsO3 + O2