The PK_a of 2-Chloropropanoic Acid, CH₃CHClCO₂H, Is 2

question 1

Multiple Choice

The pK_a of 2-chloropropanoic acid, CH₃CHClCO₂H, is 2.83. Calculate the Gibbs energy for the dissociation
CH₃CHClCO₂H(aq) + H₂O(aq) ⇌ CH₃CHClCO₂^-(aq) + H₃O⁺(aq)
At a temperature of 298 K.

• A) +16.1 kJ mol^-1
• B) +7.01 kJ mol^-1
• C) +3.05 kJ mol^-1
• D) +496 J mol^-1

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