For Which of the Following Equilibria Does K_c Correspond to the Acid-Ionization

question 132

Multiple Choice

For which of the following equilibria does K_c correspond to the acid-ionization constant,K_a,of HC₂O₄^-?

• A)HC₂O₄^-(aq)+ H₂O(l) H₂C₂O₄(aq)+ OH^-(aq)
• B)H₂C₂O₄(aq)+ H₂O(l) H₃O⁺(aq)+ HC₂O₄^-(aq)
• C)HC₂O₄^-(aq)+ H₂O(l) H₃O⁺(aq)+ C₂O₄^2-(aq)
• D)HC₂O₄^-(aq)+ OH^-(aq) C₂O₄^2-(aq)+ H₂O(l)
• E)HC₂O₄^-(aq)+ H₃O⁺(aq) H₂C₂O₄(aq)+ H₂O(l)

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