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Question
Which of the following has a conjugated system?
Which of the following has a conjugated system?
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Solution
The correct options are
C
D
What do we mean by conjugated system?
A conjugated system is a system of connected p-orbitals with delocalized electrons in compounds with alternating single and multiple bonds, which in general may lower the overall energy of the molecule and increase stability.
Now, let's look at the options given
.
The carbon atom between the benzylic carbon and the carbonyl group impedes conjugation.
Even here the conjugation is impeded because there is no double bond at the 5th carbon.
C
D
What do we mean by conjugated system?
A conjugated system is a system of connected p-orbitals with delocalized electrons in compounds with alternating single and multiple bonds, which in general may lower the overall energy of the molecule and increase stability.
Now, let's look at the options given
.
The carbon atom between the benzylic carbon and the carbonyl group impedes conjugation.
Even here the conjugation is impeded because there is no double bond at the 5th carbon.