Describe process of preparation of bleaching powder ? Write its uses.

Explanation

1) Chlorine gas is produced during the electrolysis of aqueous sodium chloride brine.
2) This chlorine gas is used for the manufacture of bleaching powder.
3) Bleaching powder is produced by the 'actlon of chlorine on dry slaked lime.
`CaOH_2+Cl_2tounderset("Bleaching powder")CaOCl_2+H_2O`
Uses of Bleaching powder
1) It is u sed for bleaching cotton and linen in the textile industry for bleaching wood pulp in paper industry for bleaching washed clothes in laundry.
2) Used as an oxidizing agent in many chemical industries.
3) Used for disinfecting drinking water to make it free of genns.
4) Used as a reagent in the preparation of chloroform.