Q. Which one of the following phenols has the highest $p K_{a}$ value?

6261 226 KEAMKEAM 2014Alcohols Phenols and Ethers Report Error

A

$o$ -Nitrophenol

B

Phenol

C

$m$ -Nitrophenol

D

Picric acid

E

$P$ -Cresol

Solution:

Correct answer is (e) $P$ -Cresol