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Question
Give three points of differences between inductive effect and resonance effect.
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Solution
| Inductive effect | Resonance effect |
| (i) Use σ-electrons | (a) Use π-electrons or lone pair of electrons |
| (ii) Move up to 3-carbon atoms | (b) All along the length of conjugated system |
| (iii) Slightly displaced electrons | (c) Complete transfer of electrons |
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\[\begin{array}{cc}
\phantom{.........}\ce{O}\\
\phantom{.........}||\\
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\end{array}\]
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\phantom{.........}\ce{\overset{⊕}{O}}\\
\phantom{.........}|\\
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\end{array}\]
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\phantom{.........}\ce{\overset{⊕}{O}}\\
\phantom{.........}|\\
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\end{array}\]
