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Which one of the following is present as an active ingredient in bleaching powder for bleaching action?

Option: 1

CaCl2


Option: 2

CaOCl2


Option: 3

Ca(OCl)2


Option: 4

CaO2Cl


Answers (1)

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Calcium hypochlorite is an inorganic compound with formula Ca(OCl)_{2} . It is the main active ingredient of commercial products called bleaching powder, chlorine powder, or chlorinated lime, used for water treatment and as a bleaching agent.

3Ca(OH)_{2}+2Cl_{2} \xrightarrow[35^{\circ}C]{below}Ca(OCl)_{2}.Ca(Cl)_{2}.Ca(OH)_{2}.H_{2}O + H_{2}O

Slaked lime                                         Bleaching powder

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Sayak

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