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31. Halogen compounds

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  1. 31.1 Halogen compounds

    1. 31.1.1Preparation of halogenoarenes

      • 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

    2. 31.1.2Difference in reactivity

      • Explain the difference in reactivity between a halogenoalkane and a halogenoarene as exemplified by chloroethane and chlorobenzene