Methylamine, CH3-NH₂, is a weak base (pk = 3.36). Which of the following acids is sufficiently strong to protonate methylamine to an extent greater than 50% at 25 C? (pk for each acid is given) a H₂O (15.7) H₂S (7.04) CH3CH₂-OH (-> CH3CH₂-O HIO (10.70) ) (15.9)

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter14: Acids And Bases
Section: Chapter Questions
Problem 2RQ: Define or illustrate the meaning of the following terms: a. Ka reaction b. Ka equilibrium constant...
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Methylamine, CH3-NH₂, is a weak base (pk = 3.36).
Which of the following acids is sufficiently strong to protonate
methylamine to an extent greater than 50% at 25°C? (pk for each
acid is given)
CH3CH₂-OH (-> CH3CH₂-O
HIO (10.70) H₂O (15.7) H₂S (7.04)
) (15.9)
Reminder: pk + pk = 14.00 (25°C)
Select one:
O A. H₂S only
O B. HIO and H₂S
O C. H₂O only
O D. H₂S and H₂O
OE. HIO only
Transcribed Image Text:Methylamine, CH3-NH₂, is a weak base (pk = 3.36). Which of the following acids is sufficiently strong to protonate methylamine to an extent greater than 50% at 25°C? (pk for each acid is given) CH3CH₂-OH (-> CH3CH₂-O HIO (10.70) H₂O (15.7) H₂S (7.04) ) (15.9) Reminder: pk + pk = 14.00 (25°C) Select one: O A. H₂S only O B. HIO and H₂S O C. H₂O only O D. H₂S and H₂O OE. HIO only
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