Disinfectant power of chlorine is due to -
The chlorination kills pathogenic oragnisms. When chlorine is added to water hydrochloric acid and hypochlorous acids are formed The hydrochloric acid is neutralized by alkalinity of water. The disinfecting action of chlorine is due to hypochlorous acid and to small extent due to hypochlorite ions. Parks textbook of preventive and social medicine.K Park. Edition 23.Pg no: 714
Hypochlorous acid
Hypochlorite ion
Both
Chloride ions
Environment and health