Answer in your head, out loud, or on paper, then tap the card to flip.
Compare the reaction conditions that determine whether halogenation occurs in the side-chain or in the aromatic ring of arenes.
UV light or sunlight favour free radical substitution in the side chain.
Milder conditions without UV favour electrophilic substitution of the aromatic ring.
Answer in your head, out loud, or on paper, then tap the card to flip.