Question

What is the Bleaching agent in a bleaching powder

Answer 1

Explanation:

Calcium Oxychloride is the formula of bleaching powder in the presence of little amount of acid, it gives out oxygen which acts as an oxidising and bleaching agent. when it is treated with excess of acid, chlorine is involved which is responsible for the bleaching action of bleaching powder.

Answer 2

You know that chloride is produced during the electrolysis of aqueous sodium chloride (brine). Thus chloride gas is use for the manufacturer of bleaching powder. Bleaching powder is produced by the action of chloride on dry slaked lime. Bleaching powder is represented by formula CaOCl2., though the actual composition is quite complex.

$ca(oh) _{2} + cl_{2} = caocl_{2} + h_{2} o$

Uses of Bleaching powder:

• It is use for bleaching powder cotton and linen in the textile industry for bleaching wood pulp in paper industry and for bleaching powder washed clothes in laundry.
• Used as an oxidising agent in many chemical industries.
• Used for disintegration drinking water to make it free for germs.
• Used as a reagent in the preparation of chloroform.