Which of the Following is the Conjugate Acid of Hydrogen

Question

Which of the following is the conjugate acid of hydrogen phosphate,HPO4²^-? A)H2PO3^- B)H2PO4^- C)H3PO4 D)H2PO4²^- E)none of the above

Accepted Answer

The conjugate acid of hydrogen phosphate will have an additional hydrogen ion (H+) compared to the original molecule. In option B, H₂PO is the conjugate acid of HPO₄²^- because it has gained one hydrogen ion. Option A has lost one proton compared to the original molecule and does not fit the criteria. Option C has lost two proton which is not possible for a conjugate acid. Option D is the molecule itself without any changes. Therefore, option B is the correct answer.

Which of the following is the conjugate acid of hydrogen phosphate,HPO42-?

Which of the following is the conjugate acid of hydrogen phosphate,HPO₄²^-?