KCET · Chemistry · Carboxylic Acid Derivatives
Chloroacetic acid is a stronger acid than acetic acid. This can be explained using
- A - M effect
- B - I effect
- C \(+\mathrm{M}\) effect
- D + I effect
Answer & Solution
Correct Answer
(B) - I effect
Step-by-step Solution
Detailed explanation
-Cl is an electron withdrawing (ie, \(-I\) showing) group. It withdraws electrons when attached to the carboxylic acid and decreases the electron density on the oxygen atom. This will facilitate the release of \(\mathrm{H}^{+}\)by making \(\mathrm{O}-\mathrm{H}\) bond more polar and thus \(-\mathrm{Cl}\) increases the acidity of acetic acid when attached at, \(\alpha\) position because of -I effect.
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