Question 1

Consider the reaction below to answer the following question(s).  Fill in the blank with the appropriate letter or response.
-This reaction proceeds _____ (faster or slower) than when benzene is used.

Accepted Answer

The answer of Consider the reaction below to answer the...

Question 2

The product of the following reaction would be 2-nitrotoluene.

Accepted Answer

A) True 
 B)False

Question 3

Identify a limitation of the Friedel-Crafts alkylation of benzene.

Accepted Answer

A)   Acylium ion does not undergo rearrangement.
B)   A benzene ring with electron-withdrawing groups can undergo alkylation under normal reaction conditions.
C)   The alkylated products are less reactive than benzene.
D)   Alkyl carbocation formed during a reaction can rearrange to a more stable carbocation.E) C) and D)
F) B) and D)

Question 4

The name of the expected product from the following reaction is ___________________.

Accepted Answer

4-ethyl-1,...

Question 5

Consider the reaction below to answer the following question(s).  Fill in the blank with the appropriate letter or response.
-The Lewis acid catalyst in the reaction is _____.

Accepted Answer

The answer of Consider the reaction below to answer the...

Question 6

What is the electrophile in the reaction of benzene with tert-butyl chloride and AlCl3?

Accepted Answer

A)   CH3+
B)   Cl+
C)   (CH3) C+
D)   benzeneE) B) and C)
F) A) and C)

Question 7

Which of the following is the reactive intermediate formed in the electrophilic Friedel-Crafts acylation of toluene with CH3COCl and AlCl3? 3COCl and AlCl3?   A)  1 B)  2 C)  3 D)  4" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and D)
F) All of the above

Question 8

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) C) and D)
F) A) and C)

Question 9

Which of the following is the reactive intermediate formed in the electrophilic bromination of toluene with Br2, FeBr3? 2, FeBr3?   A)  1 B)  2 C)  3 D)  4" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and D)
F) A) and C)

Question 10

Which of the following sets of substituents are all ortho/para directing in electrophilic aromatic substitution reactions?

Accepted Answer

A)   Cl, CH3, CN
B)   Br, OH, COCH3
C)   Cl, OH, CH3
D)   CN, NO2, COCH3E) B) and C)
F) B) and D)

Question 11

Provide the structure (a single resonance contributor) of the key intermediate in the electrophilic aromatic chlorination of nitrobenzene.

Accepted Answer

The answer of Provide the structure (a single resonance contributor)...

Question 12

Which of the following substituents is ortho/para directing and deactivating in electrophilic aromatic substitution reactions?

Accepted Answer

A)   OH
B)   Cl
C)   CH3
D)   NO2E) B) and C)
F) A) and C)

Question 13

Which of the following cannot be prepared from benzene in two synthetic steps?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and B)
F) A) and C)

Question 14

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and D)
F) A) and C)

Question 15

What type of intermediate is formed upon treatment of 1-chloro-2,4-dinitrobenzene with sodium hydroxide to give 2,4-dinitrophenol?

Accepted Answer

A)   Meisenheimer complex
B)   benzyne
C)   cyclohexadienyl cation
D)   benzyl radicalE) C) and D)
F) None of the above

Question 16

Which of the following sets of substituents are all meta directing in electrophilic aromatic substitution reactions?

Accepted Answer

A)   CN, NO2, COCH3
B)   CH3, OCH3, COCH3
C)   Cl, NH2, CH3
D)   CH3, NH3, OCH3E) All of the above
F) B) and C)

Question 17

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 18

Which of the following undergoes the most rapid sulfonation upon treatment with fuming sulfuric acid?

Accepted Answer

A)   benzene
B)   benzoic acid
C)   benzonitrile
D)   nitrobenzeneE) A) and B)
F) A) and C)

Question 19

What is the role of AlCl3 in Friedel Crafts acylations using acid chlorides?

Accepted Answer

A)   Lewis acid
B)   electrophile
C)   base
D)   nucleophileE) A) and C)
F) None of the above

Question 20

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) B) and D)
F) C) and D)

Exam 22: Reactions of Benzene and Its Derivatives

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

Which of the following is the reactive intermediate formed in the electrophilic bromination of toluene with Br2, FeBr3?

Correct AnswerverifiedShow Answer

Provide the structure (a single resonance contributor) of the key intermediate in the electrophilic aromatic chlorination of nitrobenzene.

Correct AnswerverifiedShow Answer

Which of the following undergoes the most rapid sulfonation upon treatment with fuming sulfuric acid?

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The product of the following reaction would be 2-nitrotoluene.

Correct AnswerverifiedShow Answer

Which of the following substituents is ortho/para directing and deactivating in electrophilic aromatic substitution reactions?

Correct AnswerverifiedShow Answer

Which of the following sets of substituents are all meta directing in electrophilic aromatic substitution reactions?

Correct AnswerverifiedShow Answer

The name of the expected product from the following reaction is ___________________.

Correct Answerverified4-ethyl-1,...View AnswerShow Answer

Consider the reaction below to answer the following question(s). Fill in the blank with the appropriate letter or response. -This reaction proceeds _____ (faster or slower) than when benzene is used.

Correct AnswerverifiedShow Answer

What is the role of AlCl3 in Friedel Crafts acylations using acid chlorides?

Correct AnswerverifiedShow Answer

What is the electrophile in the reaction of benzene with tert-butyl chloride and AlCl3?

Correct AnswerverifiedShow Answer

Which of the following cannot be prepared from benzene in two synthetic steps?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

Which of the following sets of substituents are all ortho/para directing in electrophilic aromatic substitution reactions?

Correct AnswerverifiedShow Answer

Which of the following is the reactive intermediate formed in the electrophilic Friedel-Crafts acylation of toluene with CH3COCl and AlCl3?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

Consider the reaction below to answer the following question(s). Fill in the blank with the appropriate letter or response. -The Lewis acid catalyst in the reaction is _____.

Correct AnswerverifiedShow Answer

Identify a limitation of the Friedel-Crafts alkylation of benzene.

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What type of intermediate is formed upon treatment of 1-chloro-2,4-dinitrobenzene with sodium hydroxide to give 2,4-dinitrophenol?

Correct AnswerverifiedShow Answer

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Which of the following is the reactive intermediate formed in the electrophilic bromination of toluene with Br₂, FeBr₃?

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4-ethyl-1,...
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What is the role of AlCl₃ in Friedel Crafts acylations using acid chlorides?

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What is the electrophile in the reaction of benzene with tert-butyl chloride and AlCl₃?

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Which of the following is the reactive intermediate formed in the electrophilic Friedel-Crafts acylation of toluene with CH₃COCl and AlCl₃?

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