Chemistry 9701 · AS & A Level · Equilibria

Equilibria — practice question

Chlorine gas is commonly used to disinfect polluted water. Which species in the water after chlorine gas has been added is responsible for killing bacteria?

  • A$\text{ClO}_2^-$
  • B$\text{Cl}^-$
  • C$\text{HCl}$
  • D$\text{OCl}^-$

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI