Chemical Reactions Quiz

Name the following reaction

• A.      Halogenation in the presence of ultraviolet light

• B.      Halogenation in the presence of Lewis acid catalyst

Which of the following reaction is not the mechanism formation of electrophile

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Complete the following reaction

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Complete the following reaction

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Choose the reaction mechanism of the product form

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All of the following step are the mechanism of halogenation of benzene EXCEPTS

• Formation of the electrophile

• Formation of the arenium ion

• Loss of proton

• Rearrangement of carbocation

Which of the following is NOT a characteristic of electrophilic aromatic substitution?

• D. Reaction with electrophiles

• B. Regeneration of the aromatic system

• C. Involvement of a nucleophile

• A. Formation of a sigma complex

Which of the following is a key step in the mechanism of electrophilic aromatic substitution?

• D. Rearrangement of the electrophile

• C. Deprotonation of the arenium ion

• B. Formation of the electrophile

• A. Protonation of the aromatic ring

Identify the product of the following reaction: benzene with bromine in the presence of FeBr₃.

• A. Bromobenzene

• B. Dibromobenzene

• C. Benzyl bromide

• D. Phenol

What type of reaction occurs when benzene reacts with nitric acid in the presence of sulfuric acid?

• A. Electrophilic Aromatic Substitution

• B. Nucleophilic Aromatic Substitution

• C. Free Radical Addition

• D. Electrophilic Addition