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(D) The reactivity of benzene towards electrophilic substitution depends on the electron density of the ring. Groups that donate electrons to the ring

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Phenol

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(D) The reactivity of benzene towards electrophilic substitution depends on the electron density of the ring. Groups that donate electrons to the ring (activating groups) increase the rate of electrophilic substitution,while groups that withdraw electrons (deactivating groups) decrease it. $Nitrobenzene$,$Benzoic 	ext{ } acid$,and $Benzaldehyde$ contain electron-withdrawing groups ($-NO_2$,$-COOH$,and $-CHO$ respectively),which deactivate the benzene ring. $Phenol$ contains an $-OH$ group,which is a strong electron-donating group due to resonance,thereby increasing the electron density of the ring and making it more reactive towards electrophilic substitution than benzene. Therefore,the correct option is $(D)$.

Which of the following compounds will undergo electrophilic substitution more readily than benzene?

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