Electrophilic Aromatic Substitution Reactions MCQ

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Which of the following is an example of an electrophilic aromatic substitution reaction? *

2 points

Hydroboration

Friedel-Crafts acylation

Aldol condensation

Wurtz reaction

What is the role of the catalyst in a Friedel-Crafts alkylation reaction? *

2 points

To donate electrons

To act as a nucleophile

To generate a carbocation

To provide a base

Which of the following reagents is used in the nitration of benzene? *

2 points

HCl and NaCl

HNO3 and H2SO4

NaOH and H2O

Br2 and FeBr3

In electrophilic aromatic substitution, what is the first step? *

2 points

Formation of a carbocation

Attack by a nucleophile

Generation of the electrophile

Deprotonation

What is the role of sulfuric acid in the nitration of benzene? *

2 points

As a solvent

As a reducing agent

To protonate nitric acid, forming the nitronium ion

As a nucleophile

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