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Which is the most likely mechanism for the following reaction? Which is the most likely mechanism for the following reaction? 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) A) and B)
F) All of the above

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Which of the following is the most reactive substrate in an E1 reaction? Which of the following is the most reactive substrate in an E1 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 is the least reactive substrate in an E2 reaction? Which of the following is the least reactive substrate 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 C)

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How many different E2 products can form from the dehydrohalogenation of 2-bromobutane?


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

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

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

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Which of the following alkyl halide reacts the fastest in an E2 reaction? Which of the following alkyl halide reacts the fastest in an E2 reaction? A) I B) II C) III D) IV


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

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

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Select the elimination product(s) formed by treating the indicated alkyl halide with a base. Select the elimination product(s) formed by treating the indicated alkyl halide with a base. A) Only I B) Only II C) Only III D) I,II,and III


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

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

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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) None of the above
F) A) and C)

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

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

Correct Answer

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