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Question

Bleaching action of CaOCl2 is due to :

A
Nascent oxygen
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B
Ca
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C
Cl
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D
HCl
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Solution

The correct options are
B Nascent oxygen
D Cl
Calcium oxychloride (CaOCl2) is known as bleaching powder. When it is treated with excess of dilute acids, chlorine is evovled which is responsible for the bleaching action of bleaching powder. Due to the evolution of nacent oxygen, it acts an an oxidising and bleaching agent.

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