A-Level CAIE Chemistry A2 31.1.1—Preparation of halogenoarenes Question Bank

• Recall the reactions by which halogenoarenes can be produced: substitution of an arene with C l₂ or Br₂ with a catalyst, Al Cl₃ or Al Br₃ to form a halogenoarene, exemplified by benzene to form chlorobenzene and methylbenzene to form 2-chloromethylbenzene and 4-chloromethylbenzene