The correct order of acidity of the following compounds is

Options

A. `1 gt 2 gt 3`
B. `1 gt 3 gt 2`
C. `3 gt 1 gt 2 `
D. `3 gt 2 gt 1`

Answer

C

Explanation

(b) `−OCH_(3)` exerts +M effect destabilizes the conjugate base of the acid
(c) `−NO_(2)` exerts −M effect and stabilizes the conjugate base of the acid.