Consider the data in the Table below to answer the following question:
Acidities of Substituted Benzoic and Acetic Acids
pK_as at 25°C
Y−C₆H₄COOH
Y
Y−CH₂COOH
meta
para
H
4.75
4.19
4.19
CN
2.47
3.64
3.55
OCH₃
3.57
4.09
4.46
The structure of the acid with the strongest conjugate base in the table above is CH₃COOH.

Question

Quizplus · Accepted Answer

The conjugate base of CH₃COOH is CH₃COO^-, which is a stronger base than the conjugate bases of the other acids in the table. This is because the methyl group in CH₃COOH is electron-donating, which helps to stabilize the negative charge on the carboxylate ion.

Consider the Data in the Table Below to Answer the Following