Phenol, pKa 9-11
Sulfonic acid, pKa 0-1
Sulfonimide, pKa 5-6
True
False
Imine, pKa 3-4
Aromatic amine, pKa 5-6
Guanidine, pKa 10-11
Arylamine, pKa 4-5
True
False
True
False
Mostly basic
Mostly acidic
Neither basic nor acidic
Both basic and acidic
PKa at which the amphiprotic molecule loses a proton, pKa1
PKa at which the amphiprotic molecule gains a proton, pKa2
PKw
Concentration
A weak base
A weak acid
A strong base
A strong acid
Neutral
A weak base
A weak acid
A strong base
A strong acid
Neutral
Maleic acid
Chlorpheniramine
Chlorpheniramine maleate
Water
Maleic acid
Chlorpheniramine
Chlorpheniramine maleate
Water
The charged state
The uncharged state
5.7
8.3
-1.3
4.7
2.6
1.6
12.4
7
1.
2.
True
False