Chapter B, Problem B.12P

Interpretation Introduction

Interpretation:

The structure of $\text{1, 2, 3-trimethylbenzene}$ and $\text{4-bromo-2-chloro-1-nitrobenzene}$ are to be drawn.

Concept introduction:

Benzene derivatives have one or more substituents attached to the benzene ring. In such compounds, the root name is benzene. The ring is numbered so that the substituents attached to it, get the lowest locator numbers. Prefixes and locator numbers are used for writing the number and type of substituents.