Chapter 21, Problem 76A

Interpretation Introduction

Interpretation:

The structural formula of 1, 2-dimethylbenzene needs to be drawn.

Concept introduction:

The ring structures of the compound having uncommon stability due to delocalized pi electron density shared in between all the carbon atoms of the ring is said to be an aromatic compound.

Answer to Problem 76A

The structure of 1, 2-dimethylbenzene is:

Explanation of Solution

According to the given name, 1, 2-dimethylbenzene. The parent structure in the compound is of benzene and 1, 2-dimethyl represents the presence of methyl group, at position 1 and 2.

The structure of benzene is:

Now, drawing the substituents, at position 1 and 2 as:

Hence, the structural formula of 1, 2-dimethylbenzene is: