Question:

Which of the following is the strongest acid?

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Electron-withdrawing groups such as chlorine increase the acidity of a compound by stabilizing the conjugate base.
Updated On: Apr 15, 2025
  • Trichloroacetic acid
  • Acetic acid
  • Dichloroacetic acid
  • Chloroacetic acid
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The Correct Option is A

Solution and Explanation


The strength of an acid is determined by the extent of dissociation and the presence of electron-withdrawing groups. Trichloroacetic acid is the strongest acid in this list because the presence of three electronegative chlorine atoms in its structure makes it highly electron-withdrawing, increasing its acidity.
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