Which of the following is strongest acid?
(a) `O` -nitrophenol
(b) `p` -nitrophenol
(c) `m` -nitrophenol
(d) ethanol

o-nitrophenol is

Which of the following isomers is move volatile : o-nitrophenol or p-nitrophenol

The decreasing order of acidic character of the following is : (I) p-Nitrophenol (II) o-Nitrophenol (III) m-Nitrophenol (IV) Phenol.

Predict the stronger acid from the following pairs : (a) Phenol and o-cresol (b) p-Nitrophenol and m-Nitrophenol (c) Phenol and cyclohexanol.