The strongest ortho-para and strongest meta-d | vedclass

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Question

(A) The directing nature of a group depends on its electronic effect on the benzene ring.$-NH_2$ is a strong electron-donating group due to the $+M$ e

Vedclass · Accepted Answer

$-NH_2$ and $-NO_2$

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(A) The directing nature of a group depends on its electronic effect on the benzene ring.$-NH_2$ is a strong electron-donating group due to the $+M$ effect,making it the strongest ortho-para directing group.$-NO_2$ is a strong electron-withdrawing group due to the $-M$ and $-I$ effects,making it the strongest meta-directing group.Therefore,the correct pair is $-NH_2$ and $-NO_2$.

The strongest ortho-para and strongest meta-directing groups respectively are

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