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Q.
$Di$-chloroacetic acid is a stronger acid than acetic acid. This is due to occurrence of
J & K CETJ & K CET 2008Aldehydes Ketones and Carboxylic Acids
Solution:
$Di$-chloro acetic acid due to presence of two electron withdrawing chloro groups ( $-I$ howing group) is more acidic than acetic acid ( $+\,I$ showing $ -CH_{3}$ group).