
Concept explainers
(a)
Interpretation: As a hybrid of five contributing structures the given molecule has to be drawn.
Concept Introduction:
Kekule structures:
The double bonds of an
The Kekule structure for benzene ring:
The back and forth shift of the double bonds in between these two forms is shown here:
(b)
Interpretation: As a hybrid of five contributing structures the given molecule has to be drawn.
Concept Introduction:
Kekule structures:
The double bonds of an aromatic ring shift back and forth very rapidly. The resulted forms or structures cannot be separated and stay in equilibrium. Those structures are known as Kekule structures.
The Kekule structure for benzene ring:
The back and forth shift of the double bonds in between these two forms is shown here:
(c)
Interpretation: As a hybrid of five contributing structures the given molecule has to be drawn.
Concept Introduction:
Kekule structures:
The double bonds of an aromatic ring shift back and forth very rapidly. The resulted forms or structures cannot be separated and stay in equilibrium. Those structures are known as Kekule structures.
The Kekule structure for benzene ring:
The back and forth shift of the double bonds in between these two forms is shown here:

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Chapter 21 Solutions
Organic Chemistry, Loose-leaf Version
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- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning
