The Dihydrogenphosphate Ion, H₂PO₄^-, Has Both a Conjugate Acid and a Conjugate

question 57

Multiple Choice

The dihydrogenphosphate ion, H₂PO₄^-, has both a conjugate acid and a conjugate base. These are, respectively,

• A) H₂PO₄^- and HPO₄^2-
• B) HPO₄^2- and H₃PO₄
• C) HPO₄^2- and PO₄^3-
• D) H₃PO₄ and PO₄^3-
• E) H₃PO₄ and HPO₄^2-

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