Which One of the Following Equations Represents the Ionization of a Weak

Multiple Choice

Which one of the following equations represents the ionization of a weak base in water

A) NH₃(aq) + H₂O(l) $\leftrightharpoons$ NH₂⁺(aq) + H₃O⁺(aq)
B) NH₃(aq) + H₂O(l) $\leftrightharpoons$ NH₄⁺(aq) + OH^-(aq)
C) NH₃(aq) + H₂O(l) $\leftrightharpoons$ NH₄^- (aq) + OH⁺(aq)
D) NH₃(aq) + OH^-(aq) $\leftrightharpoons$ NH₂^- (aq) + H₂O(l)
E) NH₃(aq) + H₃O⁺(aq) $\leftrightharpoons$ NH $_4^+$ (aq) + H $_2$ O(l)