Arrange the following compounds in the increasing order of their acidic strength:
(i) m-Nitrophenol (ii) m-Cresol
(iii) Phenol (iv) m-Chlorophenol

Options

A. ii lt iii lt iv lti
B. iii lt ii lt i lt iv
C. ii lt iii lt ilt iv
D. ii lt iv ltiii lt i

Answer

A

Explanation

Presence of electron attracting group e.g. `(NO_2)` on the benzene ring increase the acidity and presence of electron releasing group (e.g. `- CH_3)` on the benzene ring decreases the acidity.