Question

A calcium compound having an odour of chlorine is used to remove yellowness of white clothes in laundries name the compound and write the chemical equation involved in its preparation

Answer 1

Answer:

Accepted Answer:

The white powder used for disinfecting water is bleaching powder. 

1) Its chemical name is calcium oxychloride (CaOCl2). 

2) Bleaching powder is prepared by the action of chlorine on dry slaked lime [Ca(OH)2]

Ca(OH)2 + Cl2 ---->CaOCl2+ H2O 

3) When exposed to air, bleaching powder reacts with carbon dioxide in the air and releases chlorine gas. 

4) It is used in the textile industry to bleach cotton and linen. It is also used for bleaching wood pulp in paper industry and in laundry to bleach washed clothes. 

It is used in many chemical industries as an oxidizing agent. 

It is used to prepare chloroform.

Answer 2

Answer:

$\boxed{CaOCl_2}$

Explanation:

$\boxed{\blue{Ca(OH)_2(aq)+Cl_2(g)→CaOCl_2(aq)+H_2O(l)}}$

$CaOCl_2$ is used to remove yellowness of white clothes in laundries. The common name of $CaOCl_2$ is bleaching powder. It contains one mole of Calcium, two moles of chlorine and one mole of oxygen.