Which of the following is the strongest base? (K_b for NH₃ is 1.8 $\times$ 10^-⁵,K_a2for H₂SO₄ is 1.2 $\times$ 10^-²,K_a3 for H₃PO₄ is 4.8 $\times$ 10^-¹³) NH₃,HSO₄^-,PO₄³^-,or NO₃^- A)NH₃ B)HSO₄^- C)NO₃^- D)PO₄³^- E)Two of these are equally strong.

Question

Quizplus · Accepted Answer

PO₄³⁻ is the conjugate base of H₃PO₄, and since H₃PO₄ is a weak acid, PO₄³⁻ is a relatively strong base compared to the other options.

Which of the Following Is the Strongest Base? (Kb for NH3

Which of the Following Is the Strongest Base? (K_b for NH₃