Question

A yellow powder 'A' gives a pungent smell when left in 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?
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Answer 1

Answer:

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. Calcium oxychloride is commercially known as Bleaching powder

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