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Which of the following statements about the mechanism of an E2 reaction is not true?


A) It is fastest with tertiary halides.
B) It exhibits first-order kinetics.
C) A better leaving group should make a faster reaction.
D) All bonds are broken and formed in a single step.

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

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Which of the following alkyl halides will afford the product below as the major product in an E2 reaction? Which of the following alkyl halides will afford the product below as the major product in an E2 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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Which of the following is the dihalide that can be used to prepare the alkyne below? Which of the following is the dihalide that can be used to prepare the alkyne below? A) Only I B) Only II C) Only III D) II and III


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

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

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Which of the following alkyl halide would react the fastest with -OH in E2 reaction? Which of the following alkyl halide would react the fastest with <sup>-</sup>OH in E2 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)

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Which of the following alkenes is the most stable? Which of the following alkenes is the most stable? A) I B) II C) III D) IV


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

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

Correct Answer

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Which of the following is the dihalide that can be used to prepare the alkyne below? Which of the following is the dihalide that can be used to prepare the alkyne below? A) I and II B) II and III C) I and III D) I,II,and III


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

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

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

Correct Answer

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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) II and III


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

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

Correct Answer

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What is the major elimination product obtained from the following reaction? What is the major elimination 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 B)
F) B) 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) None of the above
F) All of the above

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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) All of the above
F) B) and C)

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Which of the following is the major E2 product formed from the following alkyl halide? Which of the following is the major E2 product formed from the following alkyl halide? A) I B) II C) III D) IV


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

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

Correct Answer

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How many unique β carbons are found in the alkyl halide below? How many unique β carbons are found in the alkyl halide below? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

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

Correct Answer

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Which of the following statements about an E1 mechanism is true?


A) The identity of the leaving group affects the rate of reaction.
B) The reaction follows second-order kinetics.
C) The reaction is slowest with tertiary substrates.
D) Polar aprotic solvents favor the E1 mechanism.

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

Correct Answer

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What is the major elimination product obtained from the following reaction? What is the major elimination 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 B)
F) A) and C)

Correct Answer

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Which of the following statements about an E1 mechanism is not true?


A) The reaction is fastest with tertiary alkyl halides.
B) A better leaving group makes the reaction rate increase.
C) The reaction follows first-order kinetics.
D) Stronger bases favor the E1 reaction.

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

Correct Answer

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Which of the following represents the rate law for an E2 reaction?


A) Rate = k[alkyl halide]
B) Rate = k[alkyl halide][base]
C) Rate = k[alkyl halide]2
D) Rate = k[base]2

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

Correct Answer

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What is the major product and likely mechanism for the following reaction? What is the major product and likely mechanism for the following reaction? A) I,E1 B) I,E2 C) II,E1 D) II,E2


A) I,E1
B) I,E2
C) II,E1
D) II,E2

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

Correct Answer

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Consider the following E2 reaction.What rate equation would be observed for this reaction? Consider the following E2 reaction.What rate equation would be observed for this reaction? A) Rate = k[CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>Br] B) Rate = k[CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>Br][KOC(CH<sub>3</sub>) <sub>3</sub>] C) Rate = k[CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>Br][KOC(CH<sub>3</sub>) <sub>3</sub>]<sup>2</sup> D) Rate = k[CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>Br]<sup>2</sup>[KOC(CH<sub>3</sub>) <sub>3</sub>]


A) Rate = k[CH3CH2CH2Br]
B) Rate = k[CH3CH2CH2Br][KOC(CH3) 3]
C) Rate = k[CH3CH2CH2Br][KOC(CH3) 3]2
D) Rate = k[CH3CH2CH2Br]2[KOC(CH3) 3]

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

Correct Answer

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What is the most likely mechanism for the reaction below? What is the most likely mechanism for the reaction below? A) S<sub>N</sub>1 B) S<sub>N</sub>2 C) E1 D) E2


A) SN1
B) SN2
C) E1
D) E2

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

Correct Answer

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