The strongest acid among the following aromatic compounds is
p-chlorophenol
p-nitrophenol
m-nitrophenol
o-nitrophenol
Nitro is strongly electron withdrawing group, at ortho position intra-molecular hydrogen bond reduces the acidic strength.
Among the following compounds:
I) Phenol II) Methylphenol III) m-nitrophenol IV) p-nitrophenol
The acidity order is: