JEE Main Chemistry question

Chemistry Equilibrium JEE Main

The conjugate acid of HPO₄²⁻ is:

(A)H₂PO₄⁻Correct
(B)PO₄³⁻
(C)H₃PO₄
(D)H₃PO₃

Answer: (A)

Solution

Adding a proton to HPO₄²⁻ gives H₂PO₄⁻.

Question ID VK-136249