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Hyperconjugation involves the delocalisation of __________

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Hyperconjugation involves the delocalisation of __________

(a) σ bond orbital

(b) π bond orbital

(c) Both σ and π bond orbital

(d) None of the mentioned

The question was posed to me in homework.

The query is from Hyperconjugation topic in section Reactivity of Molecules Reaction Mechanism of Engineering Chemistry I

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Best answer
Correct choice is (a) σ bond orbital

The best I can explain: Hyperconjugation involves the delocalisation of σ bond orbital. It is the stabilising interaction that results from the interaction of the electrons in a σ-bond (usually C-H or C-C) with an adjacent empty or partially filled p-orbital or a π-orbital to give an extended molecular orbital that increases the stability of the system.

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