Among the following which is least acidic?
o-cresol
Explanation for correct option:
D. o-cresol
Phenol:
Structure of o-cresol:
Expalantion for incorrect options:
A. Phenol
B. p-chlorophenol
C. p-nitrophenol
Thus, it is more acidic than o-cresol.
Hence, the correct option is D i.e. o-cresol.