pKa Handout Flashcards
Hydrochloric acid
HCl
strong
Hydrobromic acid
HBr
strong
Hydroiodic acid
HI
strong
Nitric acid
HNO3
strong
Perchloric acid
HClO4
strong
Sulfuric acid
H2SO4
strong
Acetic acid
CH3COOH
weak
Hydrofluoric acid
HF
weak
MOH
*M = metal
alkali metal hydroxides
ex: sodium hydroxide, potassium hydroxide
strong bases
M(OH)2
alkaline earth metal hydroxides
ex: calcium hydroxide, barium hydroxide
strong bases
NH3
ammonia
weak base
Methyl amine
CH3NH2
weak base
RNH2
any amines
R stands for any alkyl group
weak bases
alkyl group
methyl, ethyl, etc.
hydronium or ROH2+ pKa
<0
HCl, HBr, HI pKa
< -8
RCOOH (carboxylic acid) pKa
5
ammonium ion, protonated amines pKa
9-11
pyridinium ion pKa
5
phenol
10
ROH or H2O pKa
15
NH3 pKa
38
CH3CH3 pKa
50
CH2CH2 pKa
44
HCCH pKa
25