Q.

Which of the following statements is incorrect?

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a

The resonance structures are hypothetical structure and they do not represent any real molecule

b

In delocalized structure of benzene the n-charge cloud is spread equally above and below the plane of molecule.

c

The energy of resonance hybrid is always less than that of any resonating structure.

d

The resonance energy is the difference between the enthalpies of formation of the molecule and the resonating structure having maximum energy.

answer is B.

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Detailed Solution

The difference in energy between the actual structure and the lowest energy resonance structure is called the resonance energy.

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