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During delocalization, which statement is incorrect :

Option: 1

Net charge remains same


Option: 2

Number of paired electrons remain same


Option: 3

Number of unpaired electrons remain same


Option: 4

Energy of resonating structures always remains same


Answers (1)

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Hyperconjugation or σ-π resonance or Baker and Nathan effect -

The conjugation between \alpha C-H sigma bond and adjacent  multiple bond or carbocation is called Hyperconjugation.

- wherein

It is permanent effect.

-

delocalized electrons are electrons in a molecule, ion or solid metal that are not associated with a single atom or a covalent bond.

Therefore, Option(4) is correct.

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