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What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene?


A) It serves as a radical initiator to produce the chlorine radical needed to propagate the chain reaction.
B) It functions by destabilizing the carbocationic intermediate and thereby increases the rate of H+ loss.
C) It serves as a Lewis base catalyst by reacting with Cl2 to generate chloride ions.
D) It functions by destabilizing the benzene through formation of a π-complex.
E) It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene's π electrons.

F) A) and B)
G) B) and D)

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Identify the best product for the following reaction. Identify the best product for the following reaction. A) B) C) D) E)


A) Identify the best product for the following reaction. A) B) C) D) E)
B) Identify the best product for the following reaction. A) B) C) D) E)
C) Identify the best product for the following reaction. A) B) C) D) E)
D) Identify the best product for the following reaction. A) B) C) D) E)
E) Identify the best product for the following reaction. A) B) C) D) E)

F) A) and C)
G) B) and C)

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Provide the major organic product of the following. Provide the major organic product of the following.

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What is the structure of 3-phenylpentane? What is the structure of 3-phenylpentane? A) I B) II C) III D) IV E) V


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

F) None of the above
G) B) and D)

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Explain why nitrobenzene can be used as a solvent for Friedel-Crafts alkylation.

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Because of the deact...

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Identify the major product for the reaction. Identify the major product for the reaction. A) B) C) D) E)


A) Identify the major product for the reaction. A) B) C) D) E)
B) Identify the major product for the reaction. A) B) C) D) E)
C) Identify the major product for the reaction. A) B) C) D) E)
D) Identify the major product for the reaction. A) B) C) D) E)
E) Identify the major product for the reaction. A) B) C) D) E)

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

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Identify the major product(s) for the reaction. Identify the major product(s) for the reaction. A) B) C) D) E)


A) Identify the major product(s) for the reaction. A) B) C) D) E)
B) Identify the major product(s) for the reaction. A) B) C) D) E)
C) Identify the major product(s) for the reaction. A) B) C) D) E)
D) Identify the major product(s) for the reaction. A) B) C) D) E)
E) Identify the major product(s) for the reaction. A) B) C) D) E)

F) All of the above
G) D) and E)

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Provide the structure of the major organic product of the following reaction. Provide the structure of the major organic product of the following reaction.

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Which of the following is the best method for preparing m-chloroaniline from benzene?


A) NH3; Cl2/AlCl3
B) Cl2/AlCl3; NH3
C) Cl2/AlCl3; HNO3/H2SO4; Sn/HCl, HO-
D) HNO3/H2SO4; Cl2/AlCl3; Sn/HCl, HO-
E) HNO3/H2SO4; Sn/HCl; HO-; Cl2/AlCl3

F) A) and C)
G) C) and E)

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Provide the best name for the organic compound below. Provide the best name for the organic compound below.

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Identify the product(s) for the following reaction. Identify the product(s) for the following reaction. A) B) C) D) E)


A) Identify the product(s) for the following reaction. A) B) C) D) E)
B) Identify the product(s) for the following reaction. A) B) C) D) E)
C) Identify the product(s) for the following reaction. A) B) C) D) E)
D) Identify the product(s) for the following reaction. A) B) C) D) E)
E) Identify the product(s) for the following reaction. A) B) C) D) E)

F) A) and B)
G) A) and C)

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Provide the major organic product of the reaction shown below. Provide the major organic product of the reaction shown below.

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Which of the following is the electrophile that attacks the aromatic ring during sulfonation?


A) HSO3+
B) SO2+
C) HSO3-
D) H2SO4
E) HSO4-

F) A) and B)
G) B) and D)

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Provide a series of synthetic steps by which 2-bromo-4-nitrobenzoic acid can be prepared from toluene.

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1) HNO3, H2S...

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Provide the structure of the major organic product of the following reaction. Provide the structure of the major organic product of the following reaction.

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Which of the following is not a correct statement concerning the Friedel-Crafts acylation of benzene?


A) An alkyl group substitutes for a hydrogen.
B) The benzene ring attacks an acylium ion.
C) The acylium ion is resonance stabilized.
D) The acylium ion is often produced from an acyl chloride.
E) More than one equivalent of Lewis acid must be used.

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

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Give the product(s)for each step of the following reaction. Give the product(s)for each step of the following reaction.

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What specific electrophile is attacked by benzene when it undergoes nitration?


A) HNO3
B) NO3
C) NO
D) NO2
E) NO2+

F) C) and D)
G) None of the above

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Which of the following substrates is an electron donating group overall?


A) -Br
B) Which of the following substrates is an electron donating group overall? A) -Br B) C) -OCH<sub>3</sub> D) E) -CCl<sub>3</sub>
C) -OCH3
D) Which of the following substrates is an electron donating group overall? A) -Br B) C) -OCH<sub>3</sub> D) E) -CCl<sub>3</sub>
E) -CCl3

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

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What is the structure of styrene? What is the structure of styrene? A) I B) II C) III D) IV E) V


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

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

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Showing 81 - 100 of 155

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