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Which of the following terms describes the role of ethene in the acid-base reaction shown? Which of the following terms describes the role of ethene in the acid-base reaction shown? A) Brønsted-Lowry acid B) Brønsted-Lowry base C) Lewis acid D) Lewis base


A) Brønsted-Lowry acid
B) Brønsted-Lowry base
C) Lewis acid
D) Lewis base

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

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Provide the equation for the equilibrium constant, Keq, for the following equilibrium. Provide the equation for the equilibrium constant, K<sub>eq</sub>, for the following equilibrium.

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Which sets of curved arrows accounts for the protonation of propene with HI? Which sets of curved arrows accounts for the protonation of propene with HI? A) 1 B) 2 C) 3 D) 4


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

E) All of the above
F) None of the above

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Use curved arrows to show the movement of pairs of electrons in the following acid-base reaction and show the structures of the conjugate acid and conjugate base.

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What is the value of the equilibrium constant for the following equilibrium? What is the value of the equilibrium constant for the following equilibrium?

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log10Keq = pKa(acid) - pK...

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Which of the following is the strongest acid?


A) CH3NH2
B) CH3PH2
C) CH3OH
D) CH3SH

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

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Which of the following is the correct order of decreasing basicity (stronger base > weaker base) ?


A) NH3 > MeNH2 > H2O > HF
B) MeNH2 > NH3 > MeOH > CH4
C) NH3 > Me3N > H2O > MeOH
D) CH3COONa > NaOH > NaOMe > NaNMe2

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

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Which of the following is the strongest acid?


A) CH3CH3
B) CH3NH2
C) CH3OH
D) CH3F

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

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Which of the following is a feature of a Lewis base?


A) proton donor
B) proton acceptor
C) electron pair donor
D) electron pair acceptor

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

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Provide the equation that relates the acid dissociation constant, Ka, to the pKa of an acid.

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What is the value of the equilibrium constant, Keq, for the following reaction? What is the value of the equilibrium constant, K<sub>eq</sub>, for the following reaction? A) 10<sup>9</sup> B) 10<sup>-9</sup> C) 9 D) (<sup>1</sup>/<sub>9</sub>)


A) 109
B) 10-9
C) 9
D) (1/9)

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

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Provide a brief explanation, based on features of the molecules, for the following trend in pKa values? Provide a brief explanation, based on features of the molecules, for the following trend in pK<sub>a</sub> values?

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This trend is best understood in terms o...

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Provide a brief explanation, based on features of the molecules, for the following trend in pKa values? Provide a brief explanation, based on features of the molecules, for the following trend in pK<sub>a</sub> values?

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This trend is best understood in terms o...

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Which of the following energy diagrams represents the fastest reaction? Which of the following energy diagrams represents the fastest reaction? A) 1 B) 2 C) 3 D) 4


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

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

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Which of the following compounds is the strongest acid?


A) CH4
B) CH3CH3
C) H2C=CH2
D) HCºCH

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

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