Question 1

Identify the electrophile in the bromination of benzene.

Accepted Answer

A)   Br2
B)   2 
B)     
C)   FeBr3 
D)   FeBr2 
E)    " class="answers-bank-image d-inline" rel="preload" >
C)   FeBr3
D)   FeBr2
E)   2 
B)     
C)   FeBr3 
D)   FeBr2 
E)    " class="answers-bank-image d-inline" rel="preload" >F) B) and C)
G) B) and E)

Question 2

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. CH₃CH₂Cl/...

Question 3

Which one of the following reactions is most likely to give a polysubstituted product?

Accepted Answer

A)   Friedel-Crafts alkylation
B)   Friedel-Crafts acylation
C)   nitration
D)   sulfonation
E)   halogenationF) B) and D)
G) C) and D)

Question 4

Predict the product and provide a stepwise curved arrow mechanism for the following reaction.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30">_TB4454_00...

Question 5

A halogen ___________ the benzene ring; the ring is __________ reactive than benzene.

Accepted Answer

The answer of A halogen ___________ the benzene ring; the...

Question 6

Provide the structure of the major products formed in each step of the following reaction sequence.

Accepted Answer

The answer of Provide the structure of the major products...

Question 7

Provide the reagent(s)  that are necessary to carry out the following conversion. t-butylbenzene  →	o→  1-t-butyl-4-chlorobenzene

Accepted Answer

A)   Cl2, heat
B)   Cl2, FeCl3
C)   SOCl2, pyridine
D)   HCl
E)   PCl3 F) A) and C)
G) C) and E)

Question 8

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. fuming ...

Question 9

Predict the structure of the product for the following reaction.

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   VF) B) and D)
G) A) and E)

Question 10

Identify the electrophile in the nitration of benzene.

Accepted Answer

A)   sulfonium ion
B)   nitrogen dioxide
C)   nitronium ion
D)   nitrous oxide
E)   Nitrogen dioxideF) C) and E)
G) C) and D)

Question 11

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. CH₃CH₂Cl /AlCl₃
2. f...

Question 12

Identify the product from the reaction of nitrobenzene with iron and hydrochloric acid, followed with base.

Accepted Answer

A)   nitrobenzene
B)   benzene
C)   aniline
D)   1,3-dinitrobenzene
E)   1,4-dinitrobenzeneF) B) and E)
G) C) and D)

Question 13

Predict the product for the following reaction.

Accepted Answer

The answer of Predict the product for the following reaction....

Question 14

Predict the major product for the following reaction.

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   VF) C) and E)
G) C) and D)

Question 15

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. Cl₂/FeCl...

Question 16

Which of the following compounds will not undergo nucleophilic aromatic substitution?

Accepted Answer

A)   1-chloro-2,4-dinitrobenzene
B)   1-bromo-4-nitrobenzene
C)   o-chloronitrobenzene
D)   m-chloronitrobenzene
E)   p-chloronitrobenzeneF) A) and D)
G) A) and C)

Question 17

Predict the major product for the following reaction.

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   I & IIF) None of the above
G) C) and E)

Question 18

Predict the major product for the following reaction.

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   no reactionF) A) and C)
G) B) and E)

Question 19

Which of the following reagents would you use as the basis for a simple chemical test that would distinguish between ethylbenzene and styrene?

Accepted Answer

A)   NaI/acetone
B)   Br2/CCl4
C)   NaOH/H2O
D)   NaBH4/CH3OH
E)   HCl/H2OF) A) and B)
G) B) and D)

Question 20

Which one of the following compounds would be most reactive toward electrophilic aromatic substitution?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   VF) All of the above
G) C) and E)

Exam 18: Aromatic Substitution Reactions

Which one of the following reactions is most likely to give a polysubstituted product?

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Predict the major product for the following reaction.

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Provide the reagents necessary to carry out the following conversion.

Correct Answerverified1. fuming ...View AnswerShow Answer

A halogen ___________ the benzene ring; the ring is __________ reactive than benzene.

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Predict the product and provide a stepwise curved arrow mechanism for the following reaction.

Correct Answerverified_TB4454_00...View AnswerShow Answer

Predict the major product for the following reaction.

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Predict the structure of the product for the following reaction.

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Provide the reagents necessary to carry out the following conversion.

Correct Answerverified1. CH3CH2Cl/...View AnswerShow Answer

Which of the following compounds will not undergo nucleophilic aromatic substitution?

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Provide the reagent(s) that are necessary to carry out the following conversion. t-butylbenzene →\to→ 1-t-butyl-4-chlorobenzene

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Identify the electrophile in the nitration of benzene.

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Predict the product for the following reaction.

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Provide the reagents necessary to carry out the following conversion.

Correct Answerverified1. CH3CH2Cl /AlCl32. f...View AnswerShow Answer

Which one of the following compounds would be most reactive toward electrophilic aromatic substitution?

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Which of the following reagents would you use as the basis for a simple chemical test that would distinguish between ethylbenzene and styrene?

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Predict the major product for the following reaction.

Correct AnswerverifiedShow Answer

Provide the structure of the major products formed in each step of the following reaction sequence.

Correct AnswerverifiedShow Answer

Provide the reagents necessary to carry out the following conversion.

Correct Answerverified1. Cl2/FeCl...View AnswerShow Answer

Identify the product from the reaction of nitrobenzene with iron and hydrochloric acid, followed with base.

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Identify the electrophile in the bromination of benzene.

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1. fuming ...
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A halogen _ the benzene ring; the ring is reactive than benzene.

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_TB4454_00...
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1. CH₃CH₂Cl/...
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Provide the reagent(s) that are necessary to carry out the following conversion. t-butylbenzene $\to$ 1-t-butyl-4-chlorobenzene

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1. CH₃CH₂Cl /AlCl₃
2. f...
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1. Cl₂/FeCl...
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