*Approximate pKa values for some organic acids in WATER
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Last updated 5:41 PM on 10/6/25
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28 Terms
1
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CCl3CO2H
pKa of 0
2
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CH3CO2H
pKa of 4-5
3
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pyrH+ (pyr = pyridine)
pKa of 5
4
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HC≡N
pKa of 9
5
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Et3NH+
pKa of 10
6
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EtSH
pKa of 11
7
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HOH
pKa of 14-15
8
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cyclopentadiene
pKa of 15
9
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EtOH
pKa of 17
10
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t-BuOH
pKa of 19
11
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CH3COCH3 (Acetone)
pKa of 20
12
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HC≡CH
25
13
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CH3CO2Et
25
14
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NH3
35 (conjugate base = NH2-)
15
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ROH2 & H3O+
pKa of -2
16
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HNO3-
pKa of -1
17
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C6H6 (benzene)
37
18
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HF
pKa of 3
19
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CH2CO2H
pKa of 5
20
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CO3H2 (bicarbonate)
pKa of 6
21
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N(triple bond)C-H
pKa of 9
22
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RS-H
pKa of 10
23
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R-CH2-NH3
pKa of 11
24
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CO3H (carbonate)
pKa of 10
25
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RO-H (alcohols)
pKa of 16
26
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Alkynes
pKa of 25
27
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H2C=CH2 (alkene)
pKa of 44
28
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alkanes
pKa of >=40
Note 
Flashcards (27)