Answer :
The epoxidation process consists of several exothermic reactions that occur in distinct liquid phases, with mass transfer between the phases.
The 4‑step synthesis of the epoxide from benzene.
Reaction 1. Nucleophilic Substitution
Reaction 2. Elimination Reaction
Reaction 3. Dehydration of alcohols.
Reaction 4. Conversion of alcohols to alkyl halides.
With this information, we can conclude that benzene substitution reactions occur when these compounds are mixed with halogens, some inorganic acids and organic chlorides under specific conditions.
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