Question

Acidity of benzoic acid, 4-nitrobezoic acid, 3,4-dintro

Answer 1

4 nitrobenzoic acid will be the strongest while benzoic acid is weakest ..coming to 3,4 dintrobenzoic acid ..it should have the same acidity as 4 nitrobenzoic acid bcz nitro grp at meta posn have no effect on acidity