The `IUPAC` name of `4`-isopropyl-m-xylene is

Options

A. (1) `1`-isopropyl-`2,4`-dimethylbenzene
B. (2) `4`-isopropyl-m-xylene
C. (3) `1`-isopropyl-`3,5`-dimethylbenzene
D. (4) `4`-isopropyl-`3,5`-dimethylbenzene

Answer

A

Explanation

First we draw the strycture according to the given name (xylene is for dimethykbenzene)

Prefix `m`-is restricted to disubstituted benzene only. The numbering should be done so as to give the lowest set of locants.