Question
Explain why nucleophilic substitution reactions are not very common in phenols.
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Answer
The -OH group attached to the benzene ring activates it towards electrophilic substitution reaction. Also, it directs the incoming group to ortho and para positions in the ring as these positions become electron rich due to the resonance effect caused by -OH group. That is why nucleophilic substitution reaction is not common in phenol.
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