Which pair of groups exhibits the (-I) effect | vedclass

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Question

(B) The inductive effect $(-I)$ is shown by electron-withdrawing groups that pull electron density towards themselves due to higher electronegativity.

Vedclass · Accepted Answer

$-NO_2$ and $-Cl$

Vedclass · Answer

(B) The inductive effect $(-I)$ is shown by electron-withdrawing groups that pull electron density towards themselves due to higher electronegativity.$-NO_2$ (nitro group) and $-Cl$ (chloro group) are both electron-withdrawing groups that exhibit the $(-I)$ effect.$-CH_3$ and $-C_2H_5$ are alkyl groups that exhibit the $(+I)$ effect (electron-donating).Therefore,the correct pair is $-NO_2$ and $-Cl$.

Which pair of groups exhibits the $(-I)$ effect?

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