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Which of the following is a Lewis base?


A) CH3NH3+
B) BF3
C) CH3O-
D) CH3OCH3
E) C and D

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

Correct Answer

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What form of glutamic acid (below) predominates in a solution of PH = 7.2? What form of glutamic acid (below) predominates in a solution of PH = 7.2? A) B) C) D) E)


A) What form of glutamic acid (below) predominates in a solution of PH = 7.2? A) B) C) D) E)
B) What form of glutamic acid (below) predominates in a solution of PH = 7.2? A) B) C) D) E)
C) What form of glutamic acid (below) predominates in a solution of PH = 7.2? A) B) C) D) E)
D) What form of glutamic acid (below) predominates in a solution of PH = 7.2? A) B) C) D) E)
E) What form of glutamic acid (below) predominates in a solution of PH = 7.2? A) B) C) D) E)

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

Correct Answer

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Which of the following acid-base reactions favor the products?


A) HF + H2O ? F- + H3O+
B) Which of the following acid-base reactions favor the products? A) HF + H<sub>2</sub>O ? F<sup>-</sup> + H<sub>3</sub>O<sup>+</sup> B) C) CH<sub>3</sub>CH<sub>3</sub> + H<sub>2</sub>C=CH<sup>-</sup> ? CH<sub>3</sub>CH<sub>2</sub><sup>-</sup> + H<sub>2</sub>C=CH<sub>2</sub> D) CH<sub>3</sub>CO<sub>2</sub>H + CH<sub>3</sub>CH<sub>2</sub>O<sup>-</sup> ? CH<sub>3</sub>CO<sub>2</sub><sup>-</sup> + CH<sub>3</sub>CH<sub>2</sub>OH E) CH<sub>3</sub>OH + CH<sub>3</sub>CO<sub>2</sub>H ? CH<sub>3</sub>OH<sub>2</sub><sup>+</sup> + CH<sub>3</sub>CO<sub>2</sub><sup>-</sup>
C) CH3CH3 + H2C=CH- ? CH3CH2- + H2C=CH2
D) CH3CO2H + CH3CH2O- ? CH3CO2- + CH3CH2OH
E) CH3OH + CH3CO2H ? CH3OH2+ + CH3CO2-

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

Correct Answer

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Consider the following equilibrium: CH3C Consider the following equilibrium: CH<sub>3</sub>C CH + B ? CH<sub>3</sub>C C<sup>-</sup> + BH<sup>+</sup> Which of the following bases would favor products in this reaction? A) OH<sup>-</sup> B) CH<sub>3</sub>O<sup>-</sup> C) NH<sub>3</sub> D) NH<sub>2</sub><sup>-</sup> E) CH<sub>3</sub>CO<sub>2</sub><sup>-</sup> The weakest conjugate acid produces the strongest base (ammonia has a pK<sub>a</sub> of 36) . CH + B ? CH3C Consider the following equilibrium: CH<sub>3</sub>C CH + B ? CH<sub>3</sub>C C<sup>-</sup> + BH<sup>+</sup> Which of the following bases would favor products in this reaction? A) OH<sup>-</sup> B) CH<sub>3</sub>O<sup>-</sup> C) NH<sub>3</sub> D) NH<sub>2</sub><sup>-</sup> E) CH<sub>3</sub>CO<sub>2</sub><sup>-</sup> The weakest conjugate acid produces the strongest base (ammonia has a pK<sub>a</sub> of 36) . C- + BH+ Which of the following bases would favor products in this reaction?


A) OH-
B) CH3O-
C) NH3
D) NH2-
E) CH3CO2-
The weakest conjugate acid produces the strongest base (ammonia has a pKa of 36) .

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

Correct Answer

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Which of the following is not a Brønsted acid?


A) AlCl3
B) CH3OH
C) HNO3
D) BF3
E) A and D

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

Correct Answer

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Which of the following is the most acidic? Approximate pKa


A) CH3OH
B) CH3OH2+
C) CH3NH2
D) CH3NH3+
E) CH3CO2H

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

Correct Answer

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Which of the following is a factor in determining the acidity of a molecule?


A) electronegativity
B) size
C) hybridization
D) electron delocalization
E) all of the above

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

Correct Answer

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E

Which of the following is the strongest acid?


A) CH3CO2H
B) BrCH2CO2H
C) ClCH2CH2CO2H
D) ClCH2CH2CH2CO2H
E) CICH2CO2H

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

Correct Answer

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Which of the following is a Lewis acid?


A) AlCl3
B) CH3OH
C) HNO3
D) BF3
E) all of the above

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

Correct Answer

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E

Which compound is the conjugate base of CH3OH?


A) CH3OH2+
B) CH3O-
C) -CH2OH
D) HO-
E) H2O

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

Correct Answer

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B

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