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Question
Give the molecular formula of bleaching powder.
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Solution
The molecular formula of bleaching powder:- CaOCl2
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Bleaching powder
CaOCl2 will liberate Cl2 gas in the presence of
(i) CO2
(ii) HCl
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The reaction between MnO2 with HCl is depicted in the following diagram. It was observed that gas with bleaching abilities was released.

The chemical reaction between MnO2 and HCl is an example of:
Chlorine gas reacts with ____________ to form bleaching powder.
