Q.

Which of the following statement(s) is/are correct?

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a

Inductive effect is permanent shifting of σe-'s towards more EN element.

b

Mesomeric effect is delocalisation of LP e-s with π e-s in conjugation.

c

Hyperconjugation is simultaneous shift of σ and πe-'s at 1,3-position without the movement of H atom from its position.

d

Tautomerism is a simultaneous shift of σ and πe-'s at 1,3-position with the movement of H atom from its position.

answer is A.

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Detailed Solution

Hyperconjugation requires sp2 carbon connected to sp3 carbon having atleast one alpha hydrogen.
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