
Concept explainers
(a)
Interpretation:
The name of aromatic compound is to be written.
Concept introduction:
The compounds which follow
These compounds are famous by common naming.
(a)

Answer to Problem 37A
1,2-Dimethylbenzene
Explanation of Solution
Two methyl groups are attached at 1,2 positions on benzene ring. So, its name is1,2-Dimethylbenzene. It is also known as ortho-dimethylbenzene
(b)
Interpretation:
The name of aromatic compound is to be written.
Concept introduction:
The compounds which follow huckel rule of aromaticity are aromatic compounds.
These compounds are famous by common naming.
(b)

Answer to Problem 37A
hexachlorobenzene
Explanation of Solution
Six chlorogroups are attached at all the six positions on benzene ring. So, its name ishexachlorobenzene.
(c)
Interpretation:
The name of aromatic compound is to be written.
Concept introduction:
The compounds which follow huckel rule of aromaticity are aromatic compounds.
These compounds are famous by common naming.
(c)

Answer to Problem 37A
Anthracene
Explanation of Solution
Three benzene rings are fused. So its name is Anthracene
(d)
Interpretation:
The name of aromatic compound is to be written.
Concept introduction:
The compounds which follow huckel rule of aromaticity are aromatic compounds.
These compounds are famous by common naming.
(d)

Answer to Problem 37A
3,5-Dichlorotoluene
Explanation of Solution
Two chlorine groups are attached at 3,5 positions on toluene ring. So, its name is3,5-Dichlorotoluene
Chapter 20 Solutions
World of Chemistry, 3rd edition
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