Which of the following groups does not show ( | vedclass

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(D) The resonance effect ($R$ effect) is the polarity produced in a molecule by the interaction of two $\pi$-bonds or between a $\pi$-bond and a lone

Vedclass · Accepted Answer

$IV$. $-OH$

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(D) The resonance effect ($R$ effect) is the polarity produced in a molecule by the interaction of two $\pi$-bonds or between a $\pi$-bond and a lone pair of electrons present on an adjacent atom.Groups like $-CHO$,$-COOH$,and $-CN$ contain multiple bonds with electronegative atoms,which withdraw electron density from the conjugated system,thus showing a $(-R)$ effect.Conversely,the $-OH$ group possesses lone pairs of electrons on the oxygen atom that can be donated into the conjugated system,thereby exhibiting a $(+R)$ effect.

Which of the following groups does not show $(-R)$ effect?

Similar Questions

Which one of the following is not true regarding electromeric effect?

Arrange the following in the increasing order of stability:
$(a) \ CH_3CH=CH-CHO$
$(b) \ CH_3-CH^+-CH=C(O^-)H$
$(c) \ ^+CH_2-CH=CH-CHO$

Which group exhibits the maximum hyperconjugation effect?

The decreasing order of stability of the following anions is:

Find the compound that has the maximum enol content.

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