Question 1

Which of the following sets of substituents are all activating groups in electrophilic aromatic substitution reactions?

Accepted Answer

A)   Br, NH2, CH3
B)   CH3, NH2, OCH3
C)   OH, COCH3, CH3,
D)   Br, CN, NO2E) A) and B)
F) None of the above

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

The number of mononitro products that can be produced when the following reactant is treated with nitric and sulfuric acids is _______.

Accepted Answer

The answer of The number of mononitro products that can...

Question 6

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

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) None of the above
F) A) and B)

Question 7

Identify "X" and "Y" in the following reaction. ​

Accepted Answer

A)   X is butanoyl chloride, and Y is .
B)   X is pentanoyl chloride, and Y is .
C)   X is butanoyl chloride, and Y is .
D)   X is pentanoyl chloride, and Y is .E) A) and C)
F) None of the above A

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

Which mechanism accounts for the reaction of benzyl chloride with sodium cyanide to form cyanomethylbenzene (phenylacetonitrile, PhCH2CN) ?

Accepted Answer

A)   Bimolecular nucleophilic substitution (SN2) 
B)   Nucleophilic aromatic substitution by elimination-addition
C)   Nucleophilic aromatic substitution by addition-elimination
D)   Electrophilic aromatic substitutionE) A) and B)
F) B) and C)

Question 11

What type of intermediate is formed in upon irradiation of a mixture of toluene and chlorine to give benzyl chloride?

Accepted Answer

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

Question 12

Among the following groups, 2, 3, and 5 are meta-directing.
1. -Cl
2. -NO2
3. -SO3H
4. -CH3 
5. -COCH3

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is the structure of the complex of Br2 with FeBr3 involved in the electrophilic bromination of benzene? 2 with FeBr3 involved in the electrophilic bromination of benzene?   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) None of the above

Question 14

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

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

Question 15

Identify the product of the given reaction. ​

Accepted Answer

A)  
B)  
C)  
D)  E) A) and B)
F) None of the above

Question 16

The compound shown below is (nitromethyl)benzene. One would expect this compound to more reactive than toluene toward electrophilic substitution.

Accepted Answer

A) True 
 B)False

Question 17

The name of product D is ________________________.

Accepted Answer

m-bromonitrobenzene
...

Question 18

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

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

Question 19

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 20

Which mechanism accounts for the reaction of 4-bromotoluene with sodium amide to form a mixture of 3- and 4-aminotoluene?

Accepted Answer

A)   Bimolecular nucleophilic substitution (SN2) 
B)   Nucleophilic aromatic substitution by elimination-addition
C)   Nucleophilic aromatic substitution by addition-elimination
D)   Electrophilic aromatic substitutionE) B) and D)
F) A) and D)

Exam 22: Reactions of Benzene and Its Derivatives

Which of the following sets of substituents are all activating groups in electrophilic aromatic substitution reactions?

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 AnswerverifiedB

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

Correct AnswerverifiedShow Answer

The number of mononitro products that can be produced when the following reactant is treated with nitric and sulfuric acids is _______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Identify "X" and "Y" in the following reaction. ​

Correct AnswerverifiedA

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 AnswerverifiedB

Which mechanism accounts for the reaction of benzyl chloride with sodium cyanide to form cyanomethylbenzene (phenylacetonitrile, PhCH2CN) ?

Correct AnswerverifiedShow Answer

What type of intermediate is formed in upon irradiation of a mixture of toluene and chlorine to give benzyl chloride?

Correct AnswerverifiedShow Answer

Among the following groups, 2, 3, and 5 are meta-directing. 1. -Cl 2. -NO2 3. -SO3H 4. -CH3 5. -COCH3

Correct AnswerverifiedShow Answer

Which of the following is the structure of the complex of Br2 with FeBr3 involved in the electrophilic bromination of benzene?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following sequence of reactions?

Correct AnswerverifiedShow Answer

Identify the product of the given reaction. ​

Correct AnswerverifiedShow Answer

The compound shown below is (nitromethyl)benzene. One would expect this compound to more reactive than toluene toward electrophilic substitution.

Correct AnswerverifiedShow Answer

The name of product D is ________________________.

Correct Answerverifiedm-bromonitrobenzene...View AnswerShow Answer

What is the major organic product obtained from the following sequence of reactions?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which mechanism accounts for the reaction of 4-bromotoluene with sodium amide to form a mixture of 3- and 4-aminotoluene?

Correct AnswerverifiedShow Answer

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B

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Identify "X" and "Y" in the following reaction.

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A

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B

Which mechanism accounts for the reaction of benzyl chloride with sodium cyanide to form cyanomethylbenzene (phenylacetonitrile, PhCH₂CN) ?

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Among the following groups, 2, 3, and 5 are meta-directing. 1. -Cl 2. -NO₂3. -SO₃H 4. -CH₃5. -COCH₃

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Which of the following is the structure of the complex of Br₂ with FeBr₃ involved in the electrophilic bromination of benzene?

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Identify the product of the given reaction.

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m-bromonitrobenzene
...
View Answer

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