Question

Bleaching powder has the odour of chlorine. Give scientific explanation.

Answer 1

As chlorine contain cleaning characteristic so it is used in bleaching powder so there's an odour you find in it.

Answer 2

Explanation:

Preparation of bleaching powder $CaO(Cl)_{2}$.

It is prepared on a large scale by passing chlorine gas in calcium hydroxide.

$Ca(OH)_{2} +(Cl)_{2} \rightarrow  CaO(Cl)_{2} + H_{2}O$

It is also called chlorine of lime as it contains a large amount of chlorine gas in it.Due to the content of chlorine it has a odour of chlorine.

Bleaching powder is used in paper industry , used as disinfectant drinking water and used as oxidising agent.