What is the chemical equation for the ionization of benzoic acid?

1 Answer
Aug 11, 2016

C_6H_5CO_2H(aq) + H_2O(l) rightleftharpoons C_6H_5CO_2^(-) + H_3O^+C6H5CO2H(aq)+H2O(l)⇌C6H5CO−2+H3O+

Explanation:

See this site. A pK_a=4.202pKa=4.202 is reported. For acetic acid, H_3C-CO_2HH3C−CO2H, pK_a=4.76pKa=4.76. Can you explain why benzoic acid is a stronger acid than acetic acid?