The PH of a Solution Composed of NaCH₃CO₂,NaO₂CCO₂H,and KCl Must

question 13

Multiple Choice

The pH of a solution composed of NaCH₃CO₂,NaO₂CCO₂H,and KCl must be determined.To get a more complete picture of the equilibrium,the ion-pairing equilibria are included in the calculations.Which of the following is NOT valid for ion pairing?

• A)K⁺ + CH₃CO₂⁻ ⇋ KCH₃CO₂
• B)Na⁺ + ^-O₂CCO₂⁻ ⇋ NaO₂CCO₂⁻
• C)Na⁺ + Cl⁻ ⇋ NaCl
• D)Na⁺ + CH₃CO₂⁻ ⇋ NaCH₃CO₂
• E)CH₃CO₂⁻ + Cl⁻ ⇋ CH₃CO₂Cl²⁻

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