Which of the following is the strongest meta- | vedclass

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(A) The strength of a meta-directing group is determined by its electron-withdrawing power,which is primarily due to the $-I$ (inductive) and $-M$ (me

Vedclass · Accepted Answer

$-NO_2$

Vedclass · Answer

(A) The strength of a meta-directing group is determined by its electron-withdrawing power,which is primarily due to the $-I$ (inductive) and $-M$ (mesomeric) effects. Among the given groups,the $-NO_2$ group exerts the strongest electron-withdrawing effect due to the combined strong $-I$ and $-M$ effects of the nitrogen atom bonded to two highly electronegative oxygen atoms. Therefore,$-NO_2$ is the strongest meta-directing group among the options provided.

Which of the following is the strongest meta-directing group?

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