Choose the correct statement regarding the -R or -M effect-Here transfer of - -pi- electron takes place from the atom-group towards the conjugated system-Phenoxide ion does not show -R effect because it has lone pair of electrons-If a conjugated system has electron withdrawing group attached- then it shows nbsp-R effect-All of the above-

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+R Effect

Choose the co...

Question

Choose the correct statement regarding the $+ R$ or $+ M$ effect.

Here transfer of

π

(pi) electron takes place from the atom/group towards the conjugated system.

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Phenoxide ion does not show

+ R

effect because it has lone pair of electrons.

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If a conjugated system has electron withdrawing group attached, then it shows

+ R

effect.

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All of the above.

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8 π -

(R) : (4 n + 2) 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.