Chapter 15, Problem 44P

Interpretation Introduction

Interpretation:

The dimethylbenzene on ring nitration gives only one dimethylnitrobenzene. The reactant dimethylbenzene isomer is to be identified.

Concept introduction:

Benzene and substituted benzene undergo electrophilic substitution reaction in the presence of an electrophilic reagent.

The electrophilic substitution on the substituted benzene occurs on the basis of the nature of reagent present on the benzene ring.

If the group is ortho-para directing, then ortho and para isomers will be formed as products, and if the group is meta directing, then meta product is formed.