Question

Yellow powder X gives a pungent smell when it is left open it is a good oxidising agent and is used for bleaching cotton linen in textile industries identify a and give its method of preparation what is its commercial name

Answer 1

The given compound 'A' is calcium oxychloride because it is a oxidising agent and in open it reacts with CO2 to give pungent smelling chlorine gas. 

CaOCl2 + CO2  → CaCO3 + Cl2 It is prepared by the action of dry slaked lime with chlorine gas. 

Ca(OH)2 + Cl2 →  CaOCl2 + H2O 

Calcium oxychloride is commercially known as Bleaching powder.  

Answer 2

A= CaOCl2.

Method of preparation: Action of chlorine on dry slaked lime produces CaOCl2.

Commercial name : Bleaching powder .

Hope this will help you .

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