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Which of the following compounds would you expect to be most reactive toward ring nitration?


A) Benzene
B) Toluene
C) m-Xylene
D) o-Xylene
E) Benzoic acid

Correct Answer

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Which of the following is not an ortho-para director in electrophilic aromatic substitution?


A) -CF3
B) -OCH3
C) -CH3
D) -F
E) -NH2

Correct Answer

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Consider the following reaction: what is the expected product? Consider the following reaction: what is the expected product? A) I B) II C) III D) IV E) V


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

Correct Answer

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What would be the product of the following reaction sequence? What would be the product of the following reaction sequence? A) I B) II C) III D) IV E) V


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

Correct Answer

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What would be the product of the following reaction sequence? What would be the product of the following reaction sequence? A) I B) II C) III D) IV E) V


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

Correct Answer

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Which of the following compounds would be most reactive to ring bromination? Which of the following compounds would be most reactive to ring bromination? A) I B) II C) III D) IV E) V


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

Correct Answer

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What would be the major product(s) of the following reaction? What would be the major product(s) of the following reaction? A) I B) II C) III D) Equal amounts of I and IV. E) Equal amounts of II and IV.


A) I
B) II
C) III
D) Equal amounts of I and IV.
E) Equal amounts of II and IV.

Correct Answer

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The major product(s) ,A,of the following reaction, The major product(s) ,A,of the following reaction, would be: A) I B) II C) III D) IV E) V would be:


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

Correct Answer

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What is the chief product of the Friedel-Crafts alkylation of benzene with 1-butene and AlCl3?


A) butylbenzene
B) 2-phenylbutane
C) 2-methyl-1-phenylpropane
D) t-butylbenzene
E) 2,2-diphenylbutane

Correct Answer

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Which is the best sequence of reactions for the following transformation? Which is the best sequence of reactions for the following transformation? A) i) HNO<sub>3</sub>,H<sub>2</sub>SO<sub>4</sub>; ii) 2EtMgBr,Et<sub>2</sub>O; iii) NH<sub>4</sub>Cl B) i) 2EtMgBr,Et<sub>2</sub>O; ii) H<sub>3</sub>O<sup>+</sup>; iii) HNO<sub>3</sub>,H<sub>2</sub>SO<sub>4</sub> C) i) HNO<sub>3</sub>,H<sub>2</sub>SO<sub>4</sub>; ii) NaBH<sub>4</sub>,H<sub>2</sub>O; iii) 2EtMgBr,Et<sub>2</sub>O D) i) LAH; ii) 2EtLi,Et<sub>2</sub>O; iii) HNO<sub>3</sub>,H<sub>2</sub>SO<sub>4</sub>,heat E) None of these syntheses is satisfactory.


A) i) HNO3,H2SO4; ii) 2EtMgBr,Et2O; iii) NH4Cl
B) i) 2EtMgBr,Et2O; ii) H3O+; iii) HNO3,H2SO4
C) i) HNO3,H2SO4; ii) NaBH4,H2O; iii) 2EtMgBr,Et2O
D) i) LAH; ii) 2EtLi,Et2O; iii) HNO3,H2SO4,heat
E) None of these syntheses is satisfactory.

Correct Answer

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The reaction of benzene with The reaction of benzene with in the presence of anhydrous aluminum chloride produces principally which of these? A) I B) II C) III D) IV E) V in the presence of anhydrous aluminum chloride produces principally which of these? The reaction of benzene with in the presence of anhydrous aluminum chloride produces principally which of these? A) I B) II C) III D) IV E) V


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

Correct Answer

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Which of the following compounds would be most reactive toward electrophilic substitution? Which of the following compounds would be most reactive toward electrophilic substitution? A) I B) II C) III D) IV E) V


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

Correct Answer

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Which of the following reactions could be used to synthesize tert-butylbenzene?


A) Which of the following reactions could be used to synthesize tert-butylbenzene? A) B) C) D) All of these choices. E) None of these choices.
B) Which of the following reactions could be used to synthesize tert-butylbenzene? A) B) C) D) All of these choices. E) None of these choices.
C) Which of the following reactions could be used to synthesize tert-butylbenzene? A) B) C) D) All of these choices. E) None of these choices.
D) All of these choices.
E) None of these choices.

Correct Answer

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Which of these is a satisfactory synthesis of 1-chloro-2-phenylethane?


A) C6H5CH2CH3 + Cl2,Fe →\to
B) C6H5CH2CH3 + Cl2,400 ∘\circ C →\to
C) C6H5CH2CH2OH + SOCl2 →\to
D) C6H5CH=CH2 + HCl,peroxide →\to
E) C6H6 + CH3CH2Cl,AlCl3 →\to

Correct Answer

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Which would be the major product(s) of the following reaction? Which would be the major product(s) of the following reaction? A) I B) II C) III D) I and II in roughly equal amounts. E) I and III in roughly equal amounts.


A) I
B) II
C) III
D) I and II in roughly equal amounts.
E) I and III in roughly equal amounts.

Correct Answer

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What would be the product of the following reaction sequence? What would be the product of the following reaction sequence? A) I B) II C) III D) IV E) V


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

Correct Answer

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This substituent deactivates the benzene ring towards electrophilic substitution but directs the incoming group chiefly to the ortho and para positions.


A) -OCH2CH3
B) -NO2
C) -F
D) -CF3
E) -NHCOCH3

Correct Answer

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What would you expect to be the major product obtained from the following reaction? What would you expect to be the major product obtained from the following reaction? A) I B) II C) III D) IV E) V


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

Correct Answer

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What would be the major product of the following reaction? What would be the major product of the following reaction? A) I B) II C) III D) IV E) V


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

Correct Answer

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Which of the following is not an ortho-para director in electrophilic aromatic substitution?


A) Which of the following is not an ortho-para director in electrophilic aromatic substitution? A) B) -OCH<sub>3</sub> C) -CH<sub>3</sub> D) -F E) -NH<sub>2</sub>
B) -OCH3
C) -CH3
D) -F
E) -NH2

Correct Answer

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