Which of the following compounds are arranged | vedclass

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(B) The reactivity of aromatic compounds towards electrophilic aromatic substitution depends on the electron density of the ring. Electron-donating gr

Vedclass · Accepted Answer

Phenol $>$ $n$-propylbenzene $>$ benzoic acid

Vedclass · Answer

(B) The reactivity of aromatic compounds towards electrophilic aromatic substitution depends on the electron density of the ring. Electron-donating groups $(EDG)$ increase reactivity by increasing electron density,while electron-withdrawing groups $(EWG)$ decrease reactivity. In option $B$: $1$. Phenol ($-OH$ group) is strongly activating due to the $+M$ effect. $2$. $n$-propylbenzene ($-CH_2CH_2CH_3$ group) is activating due to the $+I$ effect and hyperconjugation. $3$. Benzoic acid ($-COOH$ group) is strongly deactivating due to the $-M$ and $-I$ effects. Therefore,the order of reactivity is $	ext{Phenol} > n	ext{-propylbenzene} > 	ext{benzoic acid}$.

Which of the following compounds are arranged in the order of decreasing reactivity towards electrophilic aromatic substitution?

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