The correct order of strength of acidity of the following compounds is

Options

A. (ii) `gt` (i) `gt` (iii) `gt` (iv)
B. (i) `gt` (ii) `gt` (iii) `gt` (iv)
C. (iv) `gt` (iii) `gt` (ii) `gt` (i)
D. (iv) `gt` (iii) `gt` (i) `gt` (ii)

Answer

D

Explanation

Presence of eletron withdrawing groups such as nitro group enhaces the acidic strenght of phenol and the presence of electron releasing groups such as alkyl group decreases the acidic strength of phenol.