Potassium super oxide is preferred to sodium peroxide to purify air. W

1.	Potassium super oxide is preferred to sodium peroxide to purify air. Why?
Answer» Solution :Air usually CONTAINS CARBON monoxide and carbondioxide pollutants. Sodium peroxide converts carbondioxide to oxygen, but it has no reaction with carbonmonoxide. POTASSIUM superoxide REACTS with both carbonmonoxide and carbondioxide GIVING oxygen. Hence `KO_(2)` is preferred over `Na_(2)O_(2)`.

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