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What is the major organic product obtained from the following sequence of reactions? What is the major organic product obtained from the following sequence of reactions? A) (R) -2-Methylpentanenitrile B) (S) -2-Methylpentanenitrile C) (±) -2-Methylpentanenitrile D) trans-2-Butene


A) (R) -2-Methylpentanenitrile
B) (S) -2-Methylpentanenitrile
C) (±) -2-Methylpentanenitrile
D) trans-2-Butene

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

Correct Answer

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What is the IUPAC of the following compound? (CH3CH2) 3COH


A) 2-Ethyl-2-pentanol
B) 2-Ethyl-3-pentanol
C) 3-Ethyl-3-pentanol
D) 2,2-Diethyl-1-butanol

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

Correct Answer

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Which of the following compounds are epoxides? Which of the following compounds are epoxides? A) Only I and III B) Only III and IV C) Only I,III,and IV D) I,II,III,and IV


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

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

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Which of the following statements about carbocation rearrangement is not true?


A) A less stable carbocation can rearrange to a more stable carbocation by shift of a hydrogen atom.
B) A less stable carbocation can rearrange to a more stable carbocation by shift of an alkyl group.
C) 1,2-Shifts convert a less stable carbocation to a more stable carbocation.
D) The migrating group in a 1,2-shift moves with one bonding electron.

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

Correct Answer

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Which of the following explains why epoxides are much more reactive than ethers?


A) The C-O-C bond angle of an epoxide is 109°,making epoxides to have angle strain.
B) The oxygen atom of an epoxide is sp2 hybridized.
C) The C-O-C bond angle of an epoxide is 120°,making epoxides to have angle strain.
D) The C-O-C bond angle of an epoxide is 60°,making epoxides to have angle strain.

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

Correct Answer

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Which of the following ethers cannot be prepared by the Williamson ether synthesis?


A) Isopropyl methyl ether
B) tert-Butyl methyl ether
C) tert-Butyl phenyl ether
D) Methyl phenyl ether

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

Correct Answer

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) (2R,4R) -4-chloro-2-pentanol B) (2R,4S) -4-chloro-2-pentanol C) (2S,4R) -4-chloro-2-pentanol D) (2S,4S) -4-chloro-2-pentanol


A) (2R,4R) -4-chloro-2-pentanol
B) (2R,4S) -4-chloro-2-pentanol
C) (2S,4R) -4-chloro-2-pentanol
D) (2S,4S) -4-chloro-2-pentanol

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

Correct Answer

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What is the IUPAC of the following compound? What is the IUPAC of the following compound? A) 1,1-Dimethyloxirane B) 2-Methylpropylane C) 2-Methylpropylene oxide D) 2,2-Dimethyloxirane


A) 1,1-Dimethyloxirane
B) 2-Methylpropylane
C) 2-Methylpropylene oxide
D) 2,2-Dimethyloxirane

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

Correct Answer

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What is the best choice of reagent to accomplish the following transformation? What is the best choice of reagent to accomplish the following transformation? A) HCl B) H<sub>2</sub>SO<sub>4</sub> C) NaOH D) TsCl,pyridine


A) HCl
B) H2SO4
C) NaOH
D) TsCl,pyridine

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

Correct Answer

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) 5-Ethylthio-4-isopropylpentane B) 1-Ethylthio-3-methyl-2-propylbutane C) 1-Ethylthio-2-isopropylpentane D) Isooctylthioethane


A) 5-Ethylthio-4-isopropylpentane
B) 1-Ethylthio-3-methyl-2-propylbutane
C) 1-Ethylthio-2-isopropylpentane
D) Isooctylthioethane

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

Correct Answer

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What are the major products obtained upon treatment of ethyl methyl ether with excess HBr?


A) Bromomethane and ethanol
B) Bromoethane and methanol
C) Bromoethane and bromomethane
D) Ethanol and methanol

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

Correct Answer

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What is the IUPAC of the following compound? What is the IUPAC of the following compound? A) 5-Hydroxy-3-methyl-1-pentene B) 3-Methyl-5-penten-1-ol C) 3-Methyl-1-penten-5-ol D) 3-Methyl-4-penten-1-ol


A) 5-Hydroxy-3-methyl-1-pentene
B) 3-Methyl-5-penten-1-ol
C) 3-Methyl-1-penten-5-ol
D) 3-Methyl-4-penten-1-ol

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

Correct Answer

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) R-2,2-dimethylcyclohexanol B) S-2,2-dimethylcyclohexanol C) R-1,1-dimethyl-2-cyclohexanol D) S-1,1-dimethyl-2-cyclohexanol


A) R-2,2-dimethylcyclohexanol
B) S-2,2-dimethylcyclohexanol
C) R-1,1-dimethyl-2-cyclohexanol
D) S-1,1-dimethyl-2-cyclohexanol

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

Correct Answer

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) I B) II C) III D) IV


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

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

Correct Answer

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What is the major organic product(s) obtained in the following reaction? What is the major organic product(s) obtained in the following reaction? A) I B) II C) III D) I and II


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

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

Correct Answer

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) (±) -2-Chlorobutane B) (R) -2-Chlorobutane C) (S) -2-Chlorobutane D) trans-2-Butene


A) (±) -2-Chlorobutane
B) (R) -2-Chlorobutane
C) (S) -2-Chlorobutane
D) trans-2-Butene

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

Correct Answer

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What is the major organic product of the following reaction? What is the major organic product of 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)

Correct Answer

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What is the common name of the following compound? What is the common name of the following compound? A) Methyl sec-butyl ether B) Isobutyl methyl ether C) sec-Butyl methyl ether D) Butyl methyl ether


A) Methyl sec-butyl ether
B) Isobutyl methyl ether
C) sec-Butyl methyl ether
D) Butyl methyl ether

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

Correct Answer

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Which of the following compounds is (are) symmetrical ethers? Which of the following compounds is (are) symmetrical ethers? A) Only I B) Only IV C) Only III and IV D) Only I,III,and IV


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

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

Correct Answer

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