At what pH, chlorine exists as molecular chlorine?
When the pH is between 5 and 10, the chlorine in the water acts as ______
A : a. Hypochlorous acid
B : b. Hypochlorite ions
C : c. Molecular chlorine
D : d. Hypochlorous acid hypochlorite ions
At what pH, chlorine in water acts as only hypochlorite ions?
The hypochlorous acid is ______ times effective as hypochorite ions.