Question

write the method of preparation of bleaching powder with chemical equations.​

Answer 1

Chemically, bleaching powder is known as calcium hypochlorite or calcium oxychloride, with the chemical formula Ca(OCl)2. Bleaching powder is prepared by passing chlorine gas (Cl2) over slaked lime (Ca(OH)2). Ca(OH)2+Cl2→Ca(OCl)2+H2O.

Answer 2

Answer:

The method of preparation of bleaching powder is:

i. Chlorine gas is used for the manufacture of bleaching powder

ii. When dry slaked lime is passed through chlorine gas, it forms bleaching powder.

iii. The reaction takes place is given as:

Ca(OH)2 (Slaked lime) + Cl2 →

CaOCl2 (Bleaching powder) + H2O

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