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Which of the following alkyl chloride affords alkene A exclusively under E2 reaction condition? Which of the following alkyl chloride affords alkene A exclusively under E2 reaction condition?   A) I B) II C) III D) IV


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

E) B) and C)
F) None 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) 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 most likely mechanism for the following reaction? What 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) A) and C)

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

Correct Answer

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


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

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

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) I and II


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

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

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

Correct Answer

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Which of the following is most likely to react as a base rather than a nucleophile? Which of the following is most likely to react as a base rather than a nucleophile?   A) I B) II C) III D) IV


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

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

Correct Answer

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

Correct Answer

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Which of the following statements about the mechanism of an E2 reaction is true?


A) All bonds are broken and formed in multiple steps.
B) The reaction is not concerted.
C) Entropy favors the reactants of an E2 reaction.
D) Entropy favors the products of an E2 reaction.

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

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

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Which of the following is most likely to react as a nucleophile rather than a base? Which of the following is most likely to react as a nucleophile rather than a base?   A) I B) II C) III D) IV


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

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

Correct Answer

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

Correct Answer

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What is the major elimination product in the reaction of 1-bromobutane with potassium tert-butoxide in tert-butanol?


A) cis-2-Butene
B) 1-Butene
C) trans-2-Butene
D) Butanol

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

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

Correct Answer

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

Correct Answer

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Which of the following alkyl halides would afford the indicated product upon reaction with sodium methoxide? Which of the following alkyl halides would afford the indicated product upon reaction with sodium methoxide?   A) I B) II C) III D) IV


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

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

Correct Answer

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What is (are) the starting material(s) in the reaction below? What is (are) the starting material(s) in the reaction 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) All of the above

Correct Answer

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Classify each alkene in vitamin D3 labeled I,II,III by the number of carbon substituents bonded to the double bond. Classify each alkene in vitamin D<sub>3</sub> labeled I,II,III by the number of carbon substituents bonded to the double bond.   A) I = Disubstituted; II = trisubstituted; III = trisubstituted B) I = Monosubstituted; II = disubstituted; III = trisubstituted C) I = Disubstituted; II = disubstituted; III = trisubstituted D) I = Disubstituted; II = trisubstituted; III = disubstituted


A) I = Disubstituted; II = trisubstituted; III = trisubstituted
B) I = Monosubstituted; II = disubstituted; III = trisubstituted
C) I = Disubstituted; II = disubstituted; III = trisubstituted
D) I = Disubstituted; II = trisubstituted; III = disubstituted

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

Correct Answer

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