Which Reaction Best Illustrates the Behavior of the Weak Base

Multiple Choice

Which reaction best illustrates the behavior of the weak base H₂PO₄^- in aqueous solution?

A) H₂PO₄^-(aq) + H₂O(l) HPO₄^2-(aq) + H₃O⁺(aq)
B) H₂PO₄^-(aq) + H₂O(l) H₃PO₄⁽aq) + OH^-(aq)
C) H₂PO₄^-(aq) 2H⁺(aq) + PO₄^3-(aq)
D) H₂PO₄^-(aq) H⁺(aq) + HPO₄^2-(aq)
E) H₂PO₄^-(aq) + H⁺(aq) H₃PO₄⁽aq)