pKa values Flashcards
(42 cards)
1
Q
Hydriodic Acid (HI => I-)
A
-10
2
Q
Hydrobromic Acid (HBr => Br-)
A
-9
3
Q
Protonated Ketone
A
-7.3
4
Q
Hydrochloric Acid (HCl => Cl-)
A
-7
5
Q
Protonated Ether
A
-3.6
6
Q
Sulfuric Acid (H2SO4 => HSO4-)
A
-3
7
Q
Carbocations
A
-3
8
Q
Protonated Alcohol
A
-2.4
9
Q
Hydronium Ion (H3O + => H2O)
A
-1.7
10
Q
Nitric Acid (HNO3 => NO3 -)
A
-1.3
11
Q
Tosic Acid (TsOH => TsO-)
A
-0.6
12
Q
Hydrofluoric Acid (HF => F-)
A
3.2
13
Q
Hydrogen Nitride (Hydrazoic Acid) (HN3 => N3-)
A
4.7
14
Q
Carboxylic Acid (RCOOH => RCOO-)
A
4.8
15
Q
1,3-dialdehyde
A
5
16
Q
Protonated Pyridine
A
5.2
17
Q
Carbonic Acid (H2CO3 => HCO3- (bicarbonate))
A
6.4
18
Q
Hydrogen Sulfide (H2S => HS-)
A
7
19
Q
1,3-diketone
A
9
20
Q
Hydrogen Cyanide (HCN => CN-)
A
9.1
21
Q
Ammonium Ions (NH4+ => NH3)
A
9.2
22
Q
Phenol (PhOH => PhO-)
A
10
23
Q
Nitromethane
A
10
24
Q
Bicarbonate (HCO3- => CO3(2-))
A
10.3
25
Thiols (RSH => RS-)
10.5
26
Protonated Amines (RNH3+ => RNH2)
10.6
27
Hydrogen Peroxide (HOOH => HOO-)
11.6
28
1,2-diester
12
29
Cyclopentadiene
15
30
Amides (RCONH2 => RCONH-)
15
31
Water (H2O => OH-)
15.7
32
Primary Alcohols (ROH => RO-)
15.9
33
Tertiary Alcohols (R1R2R3COH => R1R2R3CO-)
18
34
Ketones
20
35
Alkynes
24
36
Esters
25
37
Hydrogen (H2 <= H- [1 way only])
35
38
Ammonia/Amines (RNH2 => RNH-)
33-36
39
Allylic Proton
43
40
Alkene
44
41
Benzene
ca. 43
42
Alkanes (RH <= RMgBr [1 way only])
48-60
