Question

Which of the following best represents the autoionization, or self-ionization, of water?

A) H2O(l) → H+(aq) + 2OH-(aq)

B) 2H2O(l) → 2H2(aq) + O2(aq)

C) 2H2O(l) → H3O+(aq) + OH-(aq)

D) H2O(l) → H2(aq) + O2-(aq)

E) H+(aq) + OH-(aq) → H2O(l)