chem pka values

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8 Terms

1
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pKa value <0

protonated oxygen compounds
- look for positive O

2
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pKa value ~5

carboxylic acid compounds


3
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pKa value ~10

ammonium groups
- look for positive N’s


4
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pKa value ~15

alcohols + water

ROH

H2O


5
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pKa value ~ 25

terminal alkynes
- hydrocarbon with triple bond carbon at end
- C ||| C|H


6
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pKa value ~35

ammonia family
- look for NH3, RNH2, R2NH, just no positive charge

7
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pKa value ~45

terminal alkenes
- look for double bonded C

8
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pKa value ~50

methanes
- like CH4, RCH3, etc