A white powdery substance having strong smell of chlorine is used for disinfecting drinking water supply at waterworks. Identify the substance. Give its chemical name and write the chemical reaction preparation.

A white powdery substance having a strong smell of chlorine is used for disinfecting the drinking water supply at waterworks. The substance is bleaching powder, CaOCl₂.

The chemical reaction for the preparation is given by:

$Ca(OH)_2 +Cl_2 \rightarrow{} CaOCl_2 + H_2O$

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Updated on: 10-Oct-2022

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