When K03, RbO3, and CsO3 are heated, the rate of hydrolysis of the ozonides by water impurities is higher than the rate of their thermal dissociation. The initial period of decomposition is characterized chiefly by the formation of MOH and the passage of the rate through a maximum.
Further decomposition of RbO3 and CsO3 to MO2, in contrast to KO3, proceeds in most cases without autoacceleration.
RbO3 is theoretically more stable than CsO3 and KO3.
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Tsentsiper, A.B., Dobrolyubova, M.S. Thermal decomposition of potassium, rubidium, and cesium ozonides. Russ Chem Bull 21, 1420–1422 (1972). https://doi.org/10.1007/BF00850486
- Thermal Decomposition
- Initial Period