1)

 Phenol undergoes electrophilic substitution more easily than benzene because


A) -OH group exhibits +M effect and hence increases the electron density on the o- and p-positions

B) oxocation is more stable than the carbocation

C) both (a) and (b)

D) -OH group exhibits acidic character

Answer:

Option C

Explanation:

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 High stability of oxonium ion(oxocation) is because here every atom (except H) has a  complete octet of electrons, while in carbocations , carbon-bearing positive charge is having six electrons