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Bleaching Powder

Bleaching pow...

Question

Bleaching powder has the odor of chlorine. Give reason.

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Solution

When exposed to air, bleaching powder reacts with carbon dioxide in air to produce calcium carbonate and chlorine. Thus, it smells of chlorine.

$C a O C l_{2} + C O_{2} \to C a C O_{3} + C l_{2}$

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