Solution :
Halogens have both $$+R$$ and $$-I$$ effect, but the $$-I$$ effect predominates over the $$+ R$$ - effect. Therefore, $$m$$ - chlorophenol is most acidic due to electron withdrawing $$- Cl$$ group. Alcohols are less acidic than phenol.
Releted MCQ Question on Organic Chemistry >> Alcohol, Phenol and Ether
Releted Question 1
Ethyl alcohol is heated with conc $${H_2}S{O_4}$$ the product formed is
A.
\[{{H}_{3}}C\underset{\begin{smallmatrix}
\parallel \\
O
\end{smallmatrix}}{\mathop{-C-}}\,O{{C}_{2}}{{H}_{5}}\]