Question

For the following reaction, which of the following is a conjugate acid-base pair?

HC₂O₄⁻(aq) + H₂O(l) → H₃O⁺(aq) + C₂O₄²⁻(aq)

HC₂O₄⁻ and H₂O

HC₂O₄⁻and H₃O⁺

H₂O and C₂O₄²⁻

HC₂O₄⁻ and C₂O₄²⁻

Answer 1

d. HC₂O₄^- and C₂O₄^2-