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Which of the following ethers are unsymmetrical?


A) CH3OCH2CH3
B) (CH3) 2CHOCH2CH(CH3) 2
C) CH3OCH3
D) CH2CH3OCH2CH3
E) both A and B

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

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What alkene reacts with methanol in an acid catalyzed reaction to produce t-butyl methyl ether?


A) ethylene
B) 2-methylpropene
C) 2-butene
D) propene
E) 1-butene

F) B) and E)
G) B) and C)

Correct Answer

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A crown ether named [18]crown-6 has a total of carbons and oxygens .


A) 18, 6
B) 6, 18
C) 24, 6
D) 6, 24
E) 12, 6

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

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The synthesis of dipropyl ether can be accomplished using 1-propanol.What reactants and conditions are necessary for this to occur?


A) Na and 180°
B) PBr3 and 140°
C) H2SO4 and 140°
D) Zn and H+
E) PCC and 180°

F) D) and E)
G) A) and E)

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What is a name for the following molecule? What is a name for the following molecule? A) 3-ethoxy-3-methylpropane B) ethyl isobutyl ether C) butyl ethyl ether D) 2-ethoxybutane E) 3-ethoxybutane


A) 3-ethoxy-3-methylpropane
B) ethyl isobutyl ether
C) butyl ethyl ether
D) 2-ethoxybutane
E) 3-ethoxybutane

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

Correct Answer

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Which of the following molecules is named oxirane?


A) Which of the following molecules is named oxirane? A) B) C) D) E)
B) Which of the following molecules is named oxirane? A) B) C) D) E)
C) Which of the following molecules is named oxirane? A) B) C) D) E)
D) Which of the following molecules is named oxirane? A) B) C) D) E)
E) Which of the following molecules is named oxirane? A) B) C) D) E)

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

Correct Answer

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What is the final product of the following sequence of reactions? What is the final product of the following sequence of reactions? A) B) C) D) E)


A) What is the final product of the following sequence of reactions? A) B) C) D) E)
B) What is the final product of the following sequence of reactions? A) B) C) D) E)
C) What is the final product of the following sequence of reactions? A) B) C) D) E)
D) What is the final product of the following sequence of reactions? A) B) C) D) E)
E) What is the final product of the following sequence of reactions? A) B) C) D) E)

F) All of the above
G) A) and C)

Correct Answer

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The best Williamson synthesis of cyclohexyl methyl ether involves the following reaction:


A) The best Williamson synthesis of cyclohexyl methyl ether involves the following reaction: A) B) C) D) E)
B) The best Williamson synthesis of cyclohexyl methyl ether involves the following reaction: A) B) C) D) E)
C) The best Williamson synthesis of cyclohexyl methyl ether involves the following reaction: A) B) C) D) E)
D) The best Williamson synthesis of cyclohexyl methyl ether involves the following reaction: A) B) C) D) E)
E) The best Williamson synthesis of cyclohexyl methyl ether involves the following reaction: A) B) C) D) E)

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

Correct Answer

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What is the correct IUPAC name for the following molecule? What is the correct IUPAC name for the following molecule? A) 1,2-dimethyloxirane B) trans-1,2-dimethyloxirane C) 2-butene oxide D) cis-1,2-dimethyloxirane E) oxobutane


A) 1,2-dimethyloxirane
B) trans-1,2-dimethyloxirane
C) 2-butene oxide
D) cis-1,2-dimethyloxirane
E) oxobutane

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

Correct Answer

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The formula for 1-ethoxybutane is


A) The formula for 1-ethoxybutane is A) B) C) D) E)
B) The formula for 1-ethoxybutane is A) B) C) D) E)
C) The formula for 1-ethoxybutane is A) B) C) D) E)
D) The formula for 1-ethoxybutane is A) B) C) D) E)
E) The formula for 1-ethoxybutane is A) B) C) D) E)

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

Correct Answer

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The mechanism by which ethers are cleaved in concentrated HI is:


A) SN1
B) SN2
C) E1
D) E2
E) none of these

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

Correct Answer

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Which of the following ethers will cleave the fastest with H2O and H+?


A) Which of the following ethers will cleave the fastest with H<sub>2</sub>O and H<sup>+</sup>? A) B) C) D) E)
B) Which of the following ethers will cleave the fastest with H<sub>2</sub>O and H<sup>+</sup>? A) B) C) D) E)
C) Which of the following ethers will cleave the fastest with H<sub>2</sub>O and H<sup>+</sup>? A) B) C) D) E)
D) Which of the following ethers will cleave the fastest with H<sub>2</sub>O and H<sup>+</sup>? A) B) C) D) E)
E) Which of the following ethers will cleave the fastest with H<sub>2</sub>O and H<sup>+</sup>? A) B) C) D) E)

F) C) and D)
G) C) and E)

Correct Answer

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Which of the following is a Grignard reagent?


A) CH3MgCl
B) CH3Li
C) (CH3) 2 CuLi
D) CH3Na
E) (CH3) 2 Zn

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

Correct Answer

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A reaction that would give n-butyllithium is


A) CH3CH2CH2CH3 + Li
B) CH3CH2CH2CH2Br + 2 Li
C) CH3CH2CH2CH2Br + LiBr
D) CH3CH2CH2CH2OH + Li
E) CH3CH2CH2CH3 + CH3Li

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

Correct Answer

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