What is the correct order of reactivity towar | vedclass

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Question

(D) The reactivity towards electrophilic substitution reaction $(ESR)$ depends on the electron density in the benzene ring.Aniline $(I)$ has an $-NH_2

Vedclass · Accepted Answer

$I > II > III$

Vedclass · Answer

(D) The reactivity towards electrophilic substitution reaction $(ESR)$ depends on the electron density in the benzene ring.Aniline $(I)$ has an $-NH_2$ group,which is a strong electron-donating group ($+M$ effect),increasing electron density and making it highly reactive.Benzene $(II)$ has no substituent,serving as the reference.Nitrobenzene $(III)$ has a $-NO_2$ group,which is a strong electron-withdrawing group ($-M$ effect),decreasing electron density and making it the least reactive.Therefore,the correct order of reactivity is $I > II > III$.

What is the correct order of reactivity towards electrophilic substitution for the compounds: Aniline $(I)$,Benzene $(II)$,and Nitrobenzene $(III)$?

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