Give reasons fer the following :
o-nitrophenol is more acidic than o-methoxyphenol.

Explanation

o-nitrophenol is more acidic than o-methoxyphenol because there is electron withdrawing group `NO_2` joined with o-nitrophenol which increase the +ve charge on oxygen to make it more acidic. On other hand `-underset(* *)overset(* *)O CH_3` is electron releasing group which decrease the acidic strength.