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10 questions from this quiz
Electrophilic substitution
50°C; further substitution occurs
NO2+NO_2^+NO2+ nitronium ion
Catalyst
FeBr3FeBr_3FeBr3 or AlBr3AlBr_3AlBr3 halogen carrier
Delocalised electrons can't polarise Br2Br_2Br2
Haloalkane
Aromatic ketone
No reaction; stays orange-brown
Substitution preserves aromatic stability
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