Key pKa Values for Chem 261

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15 Terms

1
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Strong acids

all negative -5 to -10

2
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H3O+

0

3
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Protonated alcohols (ROH2+)

-1 to -2

4
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Carboxylic acids (RCOOH)

3 to 6

5
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Protonated amines (RNH3+)

10 ish

6
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NH4+

9.24

7
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RSH

8-10

8
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Phenol O-H

10

9
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H2O

14

10
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CH3OH

15.54

11
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Other alcohols (ROH's)

16-18

12
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Alkyne C-H

25

13
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NH3 (other amines RNH2's slightly higher)

38

14
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Alkene C-H

44

15
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Alkane C-H

50-60