Explain how does the —OH group attached to a carbon of benzene ring activate it towards electrophilic substitution?

Solution

The -OH group attached to the benzene ring activates it towards electrophillic substitution reaction. It direct the incoming group to ortho and para position in the ring as these positions become electron rich due to the resonance effect the caused by -OH group.

Since there is –ve charge at o and p position. Therefore, —OH group activates benzene ring towards electrophilic substitution reaction.

Some More Questions From Alcohols, Phenols and Ethers Chapter

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Alcohols, Phenols And Ethers

Explain how does the —OH group attached to a carbon of benzene ring activate it towards electrophilic substitution?

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