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Chapter 11: Problem 31

Write structures for the compounds shown below: (a) 1-bromo-3-methylbenzene, (b) 1-chloro-2-propylbenzene, (c) 1,2,4,5 -tetramethylbenzene.

Short Answer

Expert verified
The structures of the compounds would be represented with a benzene ring at the center and the different functional groups (bromo, methyl, propyl etc) attached to the specified carbon in the ring. For example, 1-bromo-3-methylbenzene would have the bromo group attached at the first carbon and the methyl group at the third carbon.

Step by step solution

01

Understand Functional Groups

Methyl, bromo, chloro, and propyl are all functional groups. Methyl is -CH3, bromo is -Br (bromine), chloro is -Cl (chlorine), and propyl is -C3H7. Knowing these will help in understanding the formation of these structures.
02

Draw Structure For 1-Bromo-3-Methylbenzene

As the name suggests, the bromo (Br) group is attached to the first carbon and the methyl (-CH3) group is attached to the third carbon of the benzene ring.
03

Draw Structure For 1-Chloro-2-Propylbenzene

In this compound, the chloro (Cl) group is attached to the first carbon, and the propyl (-C3H7) group is attached to the second carbon of the benzene ring.
04

Draw Structure For 1,2,4,5-Tetramethylbenzene

The term 'tetra' means there are four. So four methyl groups are attached to the benzene ring at the first, second, fourth, and fifth carbons.

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