Question

Explain the process of preparation of bleaching powder and mention any

Answer 1

Answer:

• Bleaching powder is produced by the action of chlorine  on dry slaked lime.[Ca(OH)2].
• Ca(OH)2 + Cl2 gives CaOCl2 + H20

Explanation:

Uses:-

• It is used an oxidising agent in  many chemical industries.
• It is used for disinfecting drinking water to make it free of germs.

• It is also used bleaching cotton and linen in the textile industry.

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Answer 2

Answer:Bleaching powder is synthesized by the action of chlorine gas (produced from the chlor-alkali process) on dry slaked lime (Ca(OH)2).

Ca(OH)2 + Cl2 → CaOCl2 + H2O

Explanation:

   Bleaching powder is a pale yellowish powder existing with a strong smell of chlorine.

   It is soluble in water but due to the presence of impurities, we never observe a clear solution.

   Its chemical formula is CaOCl2 with its chemical name as Calcium hypochlorite.

Calcium hypochlorite