Question

Select the conjugate bases that will deprotonate water: H-Cl pKa -7 CH3COO-H pKa 4.8 HO-H pKa...

Select the conjugate bases that will deprotonate water:

H-Cl pKa -7

CH3COO-H pKa 4.8

HO-H pKa 15.7

CH3CH2O-H pKa 16

HC?CH pKa 25

H-H pKa 35

H2N-H pKa 38

CH2=CH2 pKa 44

CH3-H pKa 50

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Answer #1

All with pKa values that are higher than that of water (15.7) can deprotonate water. Thus the answers are:

CH3CH2O-H pKa 16

HC?CH pKa 25

H-H pKa 35

H2N-H pKa 38

CH2=CH2 pKa 44

CH3-H pKa 50


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