Which of the following benzoic acids is predicted to have the lowest pKa value…
CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
Which of the following benzoic acids is predicted to have the lowest pKa value (strongest acid)?
(a) 4-chlorobenzoic acid
(b) unsubstituted benzoic acid
(c) 3-chlorobenzoic acid
(d) 4-methoxybenzoic acid