Which of the following can protonate ethanol to a significant extent? The pKa of CH3CH2OH2+ is -2.2 .
A) H2O, pKa=15.7
B) CH3CH2OH, pKa=15.9
C) NH3, pKa=36
D) HCl, pKa=-7
E) Propanoic acid, pKa=4.9
Correct Answer:
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