Which of the following represents a conjugate acid-base pair? A) H₂PO₄^- and PO₄^3- B) HNO₃ and NO₃^- C) HCl and NaOH D) HSO₄^- and SO₃^2- E) none of these

Question

Quizplus · Accepted Answer

The pair HNO2/N02- is a conjugate acid-base pair because HNO2 can donate a proton to form NO2-, and NO2- can accept a proton to form HNO2. The other options do not have a clear acid-base relationship.

Which of the Following Represents a Conjugate Acid-Base Pair