Which is the pH relevant equation when NaClO dissolves in water?

a) ClO-(aq) + OH-(aq) ⇌ HClO(aq) + H2O(l)
b) Na+(aq) + OH-(aq) ⇌ NaOH(aq)
c) Na+(aq) + H2O(l) ⇌ NaOH(aq) + H+(aq)
d) ClO-(aq) + H2O(l) ⇌ HClO(aq) + OH-(aq)