Chlorine gas is commonly used to disinfect polluted water. After chlorine is introduced into water, which chemical species present is responsible for killing bacteria?
- A$\text{ClO}_2^{-}$
- B$\text{Cl}^-$
- C$\text{HCl}$
- D$\text{ClO}^-$
Chemistry 9701 · AS & A Level · Equilibria