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

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

Explain how does -OH group attached to a carbon of benzene ring Activates it towards electrophilic substitution .

Explain how does the (---OH) group attached to a carbon of benzene ring activate it towards electophililc substitution.

Explain how does the (---OH) group attached to a carbon of benzene ring activate it towards electophililc substitution.

Explain OH group attached to benzene ring activates it towards electrophilic substitution.

Which one of the following is benzene ring activating group towards electrophilic substitution?

Which one of the following is benzene ring deactivating group towards electrophilic substitution ?