Question

Write the molecular formula of bleaching powder. how is it obtained

Answer 1

The chemical name of bleaching powder is calcium oxychloride and its chemical formula is CaOCl2 . It is prepared by passing chlorine gas through dry slaked lime. Following is the chemical equation for the reaction: Ca(OH)2 + Cl2? CaOCl2 + H2O It is used : (i) as a disinfectant and germicide especially in the sterilization of drinking water. (ii) for manufacture of chloroform.

Answer 2

Chemical formula of bleaching powder is caocl2 which chemical name is calcium oxychloride it is prepared by chlorine gas over dry slaked lime, this method is used for preparation on the large scale.
Ca(OH)2+Cl2=CaOCl2+H2O