(a)Identify the compound of calcium which is yellowish white powder and is
used for bleaching washed clothes. Write its chemical name and formula.
How is it manufactured? Write the chemical equation for the reaction
involved. Also list two other uses of the compound.
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Explanation:
The compound of calcium which is yellowish white powder and is used for disinfecting drinking water is CaOCl
2
commonly known as bleaching powder.
Its chemical name is - Calcium oxychloride
Formula - CaOCl
2
Formation of bleaching powder:
When chlorine gas is allowed to class through the slaked lime solution leads to the formation of bleaching powder. The chemical equation for the reaction involved is:
Ca(OH)
2
+Cl
2
→CaOCl
2
+H
2
O
Two other uses of the compound is:
(1) It is used as an oxidising agent in many chemical industries.
(2) It is used for bleaching cotton and linen in the textile industry, wood pulp bleaching and for bleaching washed clothes in the industry
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