The displacement of electrons in a multiple bond in the presence of attacking reagent is called:

Inductive effect

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Electrometric effect

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Resonance

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Hyper-conjugation

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Solution

The correct option is B Electrometric effect
The electromeric effect is a temporary effect brought into play at the requirement of attacking reagent. Electromeric effect refers to a molecular polarizability effect occurring by an intra-molecular electron displacement. It is the temporary effect.

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Similar questions

π -

S.No	Inductive effect	Resonance effect
1	It involves displacement of a electrons in saturated compounds.	It involves displacement of $%$ electrons or lone pair of electrons in unsaturated and conjugated compounds.
2	In inductive effect, there is slight displacement of $σ$ electrons and partial +ve or-ve charge develops.	In this effect, there is complete transfer of $π$ electrons and as a result, complete +ye or -ye charge develops.
3	Inductive effect can move only upto 3 to 4 carbons.	In this case, movement of electrons all along the length of conjugated system takes place.

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