The increasing order of nitration of the foll | vedclass

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(A) Nitration is an electrophilic aromatic substitution reaction. The rate of this reaction depends on the electron density of the benzene ring.$1$. $

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$A < B < D < C$

Vedclass · Answer

(A) Nitration is an electrophilic aromatic substitution reaction. The rate of this reaction depends on the electron density of the benzene ring.$1$. $-OCH_3$ (in Anisole,$C$) is a strongly activating group due to $+M$ effect.$2$. $-CH_3$ (in Toluene,$D$) is a weakly activating group due to $+I$ and hyperconjugation.$3$. $-Cl$ (in Chlorobenzene,$B$) is a deactivating group due to $-I$ effect,though it is ortho/para directing.$4$. $-NH_2$ (in Aniline,$A$) is a strongly activating group,but in the presence of acidic nitrating mixture $(HNO_3 + H_2SO_4)$,it gets protonated to form the anilinium ion $(-NH_3^+)$,which is a strongly deactivating group due to its powerful $-I$ effect.Comparing the reactivity: Anisole $(C)$ > Toluene $(D)$ > Chlorobenzene $(B)$ > Anilinium ion $(A)$.Therefore,the increasing order of nitration is $A < B < D < C$.

The increasing order of nitration of the following compounds is:
$(A)$ Aniline
$(B)$ Chlorobenzene
$(C)$ Anisole
$(D)$ Toluene

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The increasing order of nitration of the following compounds is:$(A)$ Aniline$(B)$ Chlorobenzene$(C)$ Anisole$(D)$ Toluene