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Chapter 8: Aromaticity - Reactions of Benzene and Substituted Benzenes
Exercises
Practice Exercise 3
Practice Exercise 3
This activity contains 7 questions.
What is the major product formed from the reaction of benzene with isobutyl chloride and AlCl
3
?
isobutylbenzene
2-methyl-2-phenylpropane
1-phenylbutane
2-phenylbutane
2-methyl-1-phenylpropane
What would be the major product of the Friedel–Crafts alkylation of benzene with 2,2-dimethylpropyl chloride in the presence of AlCl
3
?
no reaction
2-methyl-2-phenylbutane
2-methyl-2-phenylpropane
2,2-dimethylpropylbenzene
3-methyl-2-phenylbutane
What two concentrated acids are required for the nitration of an aromatic compound?
sulfuric acid and hydrochloric acid
nitric acid and sulfuric acid
sulfuric acid and phosphoric acid
nitrous acid and sulfuric acid
nitric acid and phosphoric acid
What is the major product of the Friedel–Crafts alkylation of benzene when 1-chlorobutane is used as the alkyl halide?
The major product is 1-phenylbutane.
The major product is 2-methyl-1-phenylpropane.
The major product is 2-phenylbutane.
The major product is 2-methyl-2-phenylpropane.
The major product is 3-phenylbutane.
What role does AlCl
3
play in the Friedel–Crafts acylation of benzene by an acid chloride?
It acts as a nucleophile towards benzene.
It reacts with benzene to form an electrophilic species.
It removes the chlorine from the acid chloride to give the acylium ion
It chlorinates the acid chloride.
It binds to the carobonyl oxygen to make the acid chloride more electrophilic.
Which of the following is a weakly activating substituent?
-CH
3
-OCH
3
-CH=O
-Cl
-NH-C(=O)-CH
3
Which of the following compounds reacts most rapidly with Cl
2
/FeCl
3
?
C
6
H
5
-CH
3
C
6
H
5
-COOH
C
6
H
5
-CN
C
6
H
5
-NO
2
C
6
H
5
-CF
3
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