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What is (are) the product(s) of the following reaction? What is (are) the product(s) of the following reaction? A) Only I B) Only II C) Only III D) Only I and II


A) Only I
B) Only II
C) Only III
D) Only I and II

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

Correct Answer

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Which of the following substituents is a meta director?


A) ¾ N(CH3) 2
B) ¾ OCH3
C) ¾ NHCOCH3
D) ¾ SO3H

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

Correct Answer

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Rank the following deactivating groups in order of increasing deactivating strength,listing the least deactivating first. Rank the following deactivating groups in order of increasing deactivating strength,listing the least deactivating first. A) I < II < III < IV B) II < III < IV < I C) II < I < III < IV D) IV < III < I < II


A) I < II < III < IV
B) II < III < IV < I
C) II < I < III < IV
D) IV < III < I < II

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

Correct Answer

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Consider the tetracyclic aromatic compound drawn below,with rings labelled as I,II,III,and IV.Which of the four rings is most reactive in electrophilic aromatic substitution? Consider the tetracyclic aromatic compound drawn below,with rings labelled as I,II,III,and IV.Which of the four rings is most reactive in electrophilic aromatic substitution? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and B)
F) A) and C)

Correct Answer

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What is the electrophile in aromatic sulfonation?


A) H2SO3
B) H2SO4
C) SO3+
D) HSO3+

E) A) and D)
F) A) and C)

Correct Answer

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Rank the following compounds in order of increasing reactivity in electrophilic aromatic substitution. Rank the following compounds in order of increasing reactivity in electrophilic aromatic substitution. A) I < II < III < IV B) II < I < IV < III C) III < IV < I < II D) II < I < III < IV


A) I < II < III < IV
B) II < I < IV < III
C) III < IV < I < II
D) II < I < III < IV

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

Correct Answer

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Which of the following statements about nucleophilic aromatic substitution is true?


A) For the addition-elimination pathway,the nucleophile may become attached either at the site bearing the leaving group or at the site bearing the ortho hydrogen atom.
B) For the elimination-addition pathway,the nucleophile becomes attached only at the site bearing the leaving group.
C) The elimination-addition mechanism is not as common as the addition-elimination mechanism.
D) In the addition-elimination mechanism,the aromatic ring first accepts a pair of electrons from a nucleophile to form a cationic intermediate.

E) C) and D)
F) B) and D)

Correct Answer

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and D)
F) B) and C)

Correct Answer

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and D)
F) A) and C)

Correct Answer

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What reagents would be necessary to produce the following product from benzene? What reagents would be necessary to produce the following product from benzene? A) CH<sub>3</sub>CH<sub>2</sub>C(O) Cl,AlCl<sub>3</sub> 2.HNO<sub>3</sub>,H<sub>2</sub>SO<sub>4</sub> 3.Zn(Hg) ,HCl B) HNO<sub>3</sub>,H<sub>2</sub>SO<sub>4</sub> 2.CH<sub>3</sub>CH<sub>2</sub>C(O) Cl,AlCl<sub>3</sub> 3.Zn(Hg) ,HCl C) CH<sub>3</sub>CH<sub>2</sub>C(O) Cl,AlCl<sub>3</sub> 2.Zn(Hg) ,HCl 3.HNO<sub>3</sub>,H<sub>2</sub>SO<sub>4</sub> D) Zn(Hg) ,HCl 2.CH<sub>3</sub>CH<sub>2</sub>C(O) Cl,AlCl<sub>3</sub> 3.HNO<sub>3</sub>,H<sub>2</sub>SO<sub>4</sub>


A) CH3CH2C(O) Cl,AlCl3 2.HNO3,H2SO4 3.Zn(Hg) ,HCl
B) HNO3,H2SO4 2.CH3CH2C(O) Cl,AlCl3 3.Zn(Hg) ,HCl
C) CH3CH2C(O) Cl,AlCl3 2.Zn(Hg) ,HCl 3.HNO3,H2SO4
D) Zn(Hg) ,HCl 2.CH3CH2C(O) Cl,AlCl3 3.HNO3,H2SO4

E) A) and B)
F) All of the above

Correct Answer

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What is the product of the following reaction? What is the product of the following reaction? A) I B) II C) III D) None of these


A) I
B) II
C) III
D) None of these

E) A) and B)
F) A) and C)

Correct Answer

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What is the reactive intermediate formed in the addition-elimination mechanism of nucleophilic aromatic substitution?


A) Carbocation
B) Radical
C) Benzyne
D) Carbanion

E) A) and D)
F) A) and C)

Correct Answer

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What is the first step in the general mechanism for electrophilic aromatic substitution?


A) Protonation of the aromatic ring
B) Deprotonation of the aromatic ring
C) Addition of the electrophile to the aromatic ring
D) Loss of the electrophile from the aromatic ring

E) B) and C)
F) A) and D)

Correct Answer

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What is the product of the following sequence of reactions? What is the product of the following sequence of reactions? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and B)
F) A) and C)

Correct Answer

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What is the major product of the following reaction? What is the major product of the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and B)
F) A) and C)

Correct Answer

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What will be the site that leads to the major mono substitution product for an electrophilic aromatic substitution reaction of the following compound? What will be the site that leads to the major mono substitution product for an electrophilic aromatic substitution reaction of the following compound? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and C)
F) C) and D)

Correct Answer

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In addition to the product shown,what other product is formed in the following reaction? In addition to the product shown,what other product is formed in the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and D)
F) A) and C)

Correct Answer

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What is the electrophile in aromatic nitration?


A) NO+
B) NO2+
C) NO3+
D) NO2H

E) C) and D)
F) A) and D)

Correct Answer

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What is the major product of the following reaction? What is the major product of the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) B) and D)
F) A) and B)

Correct Answer

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What is the product of the following reaction? What is the product of the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) C) and D)
F) A) and B)

Correct Answer

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