Consider the Equilibria Found in Swimming Pools: Cl₂(g)+ H₂O(l)

Consider the equilibria found in swimming pools: Cl₂(g) + H₂O(l) HClO(aq) H+(aq) + ClO-(aq)
If there is too much chlorine in the water,swimmers complain that their eyes burn.Refer to the above equilibria and predict which of the following increases the chlorine concentration.

A) adding sodium hypochlorite,NaClO
B) adding hypochlorous acid,HClO(aq)
C) adding hydrochloric acid,HCl(aq)
D) decreasing the pH
E) all of the above