Solution :
The electron withdrawing $$\left( { - I} \right)$$ group $$ - Cl$$ withdraws electrons from $$O - H$$ bond and thus helps the cleavage of the $$O - H$$ bond releasing hydrogen as $${H^ + }.$$
Releted MCQ Question on Organic Chemistry >> Carboxylic Acid
Releted Question 1
When acetaldehyde is heated with Fehling’s solution it gives a precipitate of