Which is not a conjugate acid/base pair? | Acids and Bases

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Acids and BasesMCQ

Question

Which is not a conjugate acid/base pair?

H₂CO₃ & CO₃ 2–

✓ Correct

HSO₄– & SO₄ 2–

H₂PO₄– & HPO₄ 2–

H₃O⁺ & H₂O

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