Question

The increasing order of $p{K}_a$ values for the following carboxylic acids is
(1) acetic acid (2) formic acid
(3) benzoic acid (4) trichloroacetic acid

• A. (4) < (2) < (3) < (1)
• B. (3) < (1) < (2) < (4)
• C. (2) < (4) < (3) < (1)
• D. (3) < (1) < (4) < (2)

Answer 1

Answer: (A)

Correct answer is (a) (4) < (2) < (3) < (1)