Question

why phenol undergoes ortho and para-directing group write its resonance hybrid structure?​

Answer 1

Explanation:

If the relative yield of the ortho product and that of the para product are higher than that of the meta product, the substituent on the benzene ring in the monosubstituted benzene is called an ortho, para directing group. Thus, the nitro group is a meta directing group.

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Answer 2

Answer:

Activating groups (ortho or para directors)

Activating groups (ortho or para directors) When the substituents like -OH have an unshared pair of electrons, the resonance effect is stronger than the inductive effect which make these substituents stronger activators, since this resonance effect direct the electron toward the ring.