Which one is most reactive towards electrophilic reagent

1.	Which one is most reactive towards electrophilic reagent
Answer» SOLUTION :Electron withdrawing substituent deactivates the benzene nucleus towards electrophilic substitution while electron RELEASING substituents activates the ring towards electrophilic substitution. Among the given GROUP `-OH` has the higher electron donating TENDENCY and thus, activates the ring towards electrophilic substitution is more reactive towards electrophilic reagents.

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