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Potassium super oxide is preferred to so...

Potassium super oxide is preferred to sodium peroxide to purify air. Why? 

Text Solution

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Air usually contains carbon monoxide and carbondioxide pollutants.
Sodium peroxide converts carbondaioxide to oxygen, but it has no reaction with carbon-monoxide. Potassiium superoxide reacts with both carbon-monoxide and carbondioxide giving oxygen.
Hnece ` KO_(2)` is preferred over `Na_(2)O_(2)`.
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