Concept explainers
Interpretation:
To draw and name all possible
Concept introduction:
All aromatic compounds are derivatives of benzene. The benzene ring accounts for six carbon atoms. The remaining carbons can be attached as alkyl group like methyl, ethyl etc. to the benzene ring. Halogens, if present, can be attached to the benzene ring or to a side chain in the molecule.
Monosubstituted benzenes are named by adding the name of the substituent to the parent name benzene. Alkyl-substituted benzenes, called arenes, are named in different ways depending on the size of the alkyl group. If the alkyl group is smaller than the ring (six or fewer carbons), the arene is named as an alkyl-substituted benzene. If the alkyl substituent is larger than the ring (seven or more carbons), the arene is named as a phenyl-substituted
Disubstitutedbenzenes can exist as three isomers such as ortho, meta and para. They are named using the prefixes ortho (o), meta(m) and para (p). An ortho-disubstituted benzene has its two substituent groups in a 1,2-relationship on the ring. A meta-disubstituted benzene has its two substituent groups in a 1,3-relationship on the ring. A para-disubstituted benzene has its two substituent groups in a 1,4-relationship on the ring. While writing the name the substituent groups are arranged alphabetically.
To draw and name:
All possible aromatic compounds with the molecular formula C7H7Cl.
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Chapter 15 Solutions
Organic Chemistry
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