Ask a Teacher

Search



please explain bleaching activity of chlorine?
Chlorine water on standing loses its yellow colour due to the
formation of HCl and HOCl. Hypochlorous acid (HOCl) so formed, gives
nascent oxygen which is responsible for oxidising and bleaching
properties of chlorine.
(i) It is a powerful bleaching agent; bleaching action is due to oxidation.
Cl2 + H2O ? 2HCl + O
Coloured substance + O ? Colourless substance
It bleaches vegetable or organic matter in the presence of moisture.
Bleaching effect of chlorine is permanent.


comments powered by Disqus