Table de constante d'acidité
Nom forme acide
Formule forme acide
Nom forme basique
Formule forme basique
pKa
2.4-Dinitrophénol
C6H4N2O5
2.4-Dinitrophénolate (ion)
C6H3N2O5-
3.9
Acide arsénieux
H2AsO3
Hydrogénoarsénite (ion)
HAsO3-
9.29
Acide arsénique
H3AsO4
Dihydrogénoarséniate (ion)
H2AsO4-
2.26
Acide azothydrique
HN3
Azoture (ion)
N3-
4.6
Acide benzoïque
C6H5CO2H
Benzoate (ion)
C6H5CO2-
4.2
Acide borique
H2B4O7
Hydrogénoborate (ion)
HB4O7-
9.14
Acide butanoïque
CH3CH2CH2CO2H
Butanoate (ion)
CH3CH2CH2CO2-
4.82
Acide carbonique
H2CO3
Hydrogénocarbonate (ion)
HCO3-
6.35
Acide chloreux
HClO2
Chlorite (ion)
ClO2-
1.94
Acide chromique
H2CrO4
Hydrogénochromate (ion)
HCrO4-
0.74
Acide cyanhydrique
HCN
Cyanure (ion)
CN-
9.21
Acide cyanique
HCNO
Cyanate (ion)
CNO-
3.46
Acide éthanoïque
CH3CO2H
Ethanoate (ion)
CH3CO2-
4.756
Acide fluorhydrique
HF
Fluorure (ion)
F-
3.2
Acide germanique
H2GeO3
Hydrogénogermanate (ion)
HGeO3-
8.59
Acide hypobromique
HBrO
Hypobromite (ion)
BrO-
7.69
Acide hypochlorique
HClO
Hypochlorite (ion)
ClO-
7.4
Acide hypoiodique
HIO
Hypoiodite (ion)
IO-
10.5
Acide iodique
HIO3
Iodate (ion)
IO3-
0.78
Acide méthanoïque
HCOOH
Méthanoate (ion)
HCOO-
3.751
Acide nitreux
HNO2
Nitrite (ion)
NO2-
3.25
Acide periodique
HIO4
Periodate (ion)
IO4-
1.64
Acide phosphoreux
H3PO3
Hydrogénophosphorite (ion)
H2PO3-
1.3
Acide phosphorique
H3PO4
Dihydrogénophosphate (ion)
H2PO4-
2.16
Acide propanoïque
CH3CH2CO2H
Propanoate (ion)
CH3CH2CO2-
3.17
Acide pyrophosphorique
H4P2O7
Trihydrogénopyrophosphate (ion)
H3P2O7-
0.91
Acide sulfhydrique
H2S
Hydrogénosulfure (ion)
HS-
7.05
Acide vanadique
H3VO4
Dihydrogénovanadate (ion)
H2VO4-
2.6
Ammonium (ion)
NH4+
Ammoniac
NH3
9.2
Anilinium (ion)
C6H5NH3+
Aniline
C6H5NH2
9.4
Dihydrogénoarséniate (ion)
H2AsO4-
Hydrogénoarséniate (ion)
HAsO4--
6.76
Dihydrogénophosphate (ion)
H2PO4-
Hydrogénophosphate (ion)
HPO4--
7.21
Dihydrogénopyrophosphate (ion)
H2P2O7--
Monohydrogénopyrophosphate (ion)
HP2O7---
6.7
Dihydrogénovanadate (ion)
H2VO4-
Hydrogénovanadate (ion)
HVO4--
7.92
Dioxyde de vanadium (I) tétrahydraté (ion)
[VO2(H2O)4]+
Acide vanadique
H3VO4
4.2
Eau
H2O
Hydroxyde (ion)
HO-
13.995
Ethylammonium (ion)
C2H5NH3+
Ethylamine
C2H5NH2
10.7
Hydrazine
N2H4
Hydrazinium (ion)
N2H3-
8.1
Hydrogénoarséniate (ion)
HAsO4--
Arséniate (ion)
AsO4---
11.29
Hydrogénoborate (ion)
HB4O7-
Borate (ion)
B4O7--
14
Hydrogénocarbonate (ion)
HCO3-
Carbonate (ion)
CO3--
10.33
Hydrogénochromate (ion)
HCrO4-
Chromate (ion)
CrO4--
6.49
Hydrogénogermanate (ion)
HGeO3-
Germanate (ion)
GeO3--
12.3
Hydrogénophosphate (ion)
HPO4--
Phosphate (ion)
PO4---
12.32
Hydrogénophosphorite (ion)
H2PO3-
Phosphorite (ion)
HPO3--
6.7
Hydrogénopyrophosphate (ion)
H3P2O7-
Dihydrogénopyrophosphate (ion)
H2P2O7--
2.1
Hydrogénoséléniure (ion)
HSe-
Séléniure (ion)
Se--
11
Hydrogénosulfate (ion)
HSO4-
Sulfate (ion)
SO4--
1.88
Hydrogénosulfure (ion)
HS-
Sulfure (ion)
S--
12.9
Hydrogénotellure (ion)
HTe-
Tellure (ion)
Te--
11
Hydrogénovanadate (ion)
HVO4--
Vanadate (ion)
VO4---
13.27
Hydroxylamine
NH2OH
NHOH-
5.94
Peroxyde d'hydrogène
H2O2
Hydroperoxyde (ion)
HO2-
11.62
Phénol
C6H5OH
Phénolate (ion)
C6H5O-
9.99
Pyridinium (ion)
C5H5NH+
Pyridine
C5H5N
5.2
Pyrrolidinium (ion)
C4H9NH+
Pyrrolidine
C4H9N
11.4
Séléniure d'hydrogène
H2Se
Hydrogénoséléniure (ion)
HSe-
3.89
Tellure d'hydrogène
H2Te
Hydrogénotellure (ion)
HTe-
2.6
Triéthylammonium (ion)
(C2H5)3NH+
Triéthylamine
(C2H5)3N
10.72
Trihydrogénopyrophosphate (ion)
HP2O7---
Pyrophosphate (ion)
P2O7----
9.32
Résultats 1 à 60 sur 60
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