pKa values Flashcards
1
Q
HI
A
-10
2
Q
How does acidity strength go in hydrogen halides?
A
HI>HBr>HCl>HF
3
Q
H2SO4
A
-5
4
Q
HCl
A
-5
5
Q
Protonated carbonyl groups
A
-5
6
Q
Oxonium ions: protonated water, protonated alcohols, protonated ethers
A
0
7
Q
carboxylic acids
A
5
8
Q
phenols
A
10
9
Q
protonated amines (ammonium ions)
A
10
10
Q
thiols
A
10
11
Q
water and alcohols
A
15
12
Q
Amines (uncharged N with H attached)
A
35
13
Q
The strongest base will have the ______
A
weakest conjugate acid
14
Q
What pKas are considered “Neutral”? Why?
A
pKa > 14
They cannot be deprotonated in water, since the maximum pKa of water is 14.
15
Q
In what solution will an acid prefer its protonated form?
A
A solution more acidic than its pKa value
