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  • Which of the following statements is incorrect ?Option: 1 The energy of resonance hybrid is always less than that of any resonating structure.</d

Which of the following statements is incorrect ?

Option: 1

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


Option: 2

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


Option: 3

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


Option: 4

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


Answers (1)

Stability due to resonance -

More the no of resonating structure more is the stability.

-

Stability due to presence of hetero atom -

Heteroatom present adjacent to carbocation make it most stable.

- wherein

Hetro atom provided e - for resonance

-

The resonance energy is defined as the difference in energy between the actual structure of the entity and the most stable of the hypothetical structures.

Therefore, Option(2) is correct.

Posted by

Ramraj Saini

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