Which of the Following Mechanistic Steps Do You Expect in Bromination

question 48

Multiple Choice

Which of the following mechanistic steps do you expect in bromination of benzene with Br₂ and FeBr₃ as a catalyst?
I.formation of Br⁺[FeBr₄]^-
II.attack of [FeBr₄]^- on benzene ring
III.formation of arenium ion
IV.deprotonation of arenium ion
V.nucleophilic attack of Br⁺

• A)I,III,and IV
• B)I,II,and IV
• C)II,III,and V
• D)III,IV,and V
• E)II,IV,and V

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