It is given that the following compound has a higher pKa value than benzoic acid. Which is the most probable substituent group X of the compound?

It is given that the following compound has a higher pKa value than be

1.	It is given that the following compound has a higher pKa value than benzoic acid. Which is the most probable substituent group X of the compound?
A.	OH
B.	Cl
C.	CN
D.	NO2
Answer» B.