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Question

Bleaching powder reacts with excess dil acids to liberate chlorine which is called :

A
nascent chlorine
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B
available chlorine
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C
active chlorine
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D
atomic chlorine
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Solution

The correct option is B available chlorine
CaOCl2+2HClCaCl2+H2O+Cl2
The chlorine produced after the reaction is called available chlorine.

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