Question

Describe two method used to prepare the oxide of alkali metal

Answer 1

Answer:

It is made by the high-pressure oxidation of sodium peroxide. Potassium superoxide (KO2) is a yellow solid that decomposes at 560 °C. It is used as a CO2 scrubber, H2O dehumidifier, and O2 generator in rebreathers, spacecraft, submarines, and spacesuit life support systems.

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