Question

How is bleaching powder prepared ? Why does bleaching powder.

(i)smell strongly of Chlorine.

(ii) not dissolve completely in water? 4 mark​

Answer 1

Answer:

Bleaching powder" is made by the action of chloride gas on calcium hydroxide, the reaction being essentially: 2Ca(OH)2 + 2Cl2 → Ca(OCl)2 + CaCl2 + 2H2O.

Explanation:

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Answer 2

Answer:

Bleaching powder" is made by the action of chloride gas on calcium hydroxide, the reaction being essentially: 2Ca(OH)2 + 2Cl2 → Ca(OCl)2 + CaCl2 + 2H2O.

Explanation:

1. Bleaching Powder (CaOCl2) reacts with carbon dioxide from the atmosphere to produce calcium carbonate and chlorine gas. This is why bleaching powder gives the smell of chlorine. Bleaching powder is also called chloride of lime.

2.Bleaching powder does not dissolve completely in water because bleaching powder is actually a quite complex molecule. It contains various other heavy calcium salts in it like calcium chloride, calcium hydroxide, and calcium hypochlorite. Hence, bleaching powder does not dissolve completely in water.

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