Draw structure for each of the following a) m-Xylene b) o-Cresol c) 3-Bromo-4-nitrobenzenesulfonic acid

a) m-Xylene

It is an aromatic hydrocarbon having molecular formula, C8H10. in this compound, two methyl groups are present at 1 and 3 positions of benzene ring.

b) o-Cresol

It is an organic compound having molecular formula, C7H8O. It is a substituted phenol in which a methyl group is present at ortho position.

c) 3-Bromo-4-nitrobenzenesulfonic acid

In this aromatic compound, three functional groups: - SO3H, - NO2 and - Br are present on the benzene ring at 1, 4 and 3 postion respectively.