Question Detail
Question
Which of the following is the strongest acid in aqueous solution?
Correct Answer
Option D is the correct answer.
Detailed Explanation
Dichloroacetic acid (Cl2CHCOOH) is the strongest among the options because it has two electron-withdrawing chlorine atoms, stabilizing the conjugate base more effectively than monochloroacetic acid, acetic acid, or propionic acid.
Hint
Which acid has the most electron-withdrawing groups?