Tabel van standaardelektrodepotentialen

Deze tabel bevat de standaardelektrodepotentialen van waterige oplossingen bij 25 °C van diverse chemische deeltjes.^[1]

[1]

Oxidator	Reductor	Halfreactie	Standaardelektrodepotentiaal (V)
Lithium(+1)	Lithium(+0)	${\ce {Li^{+}\ +\ e^{-}\ \ ->\ Li_{(s)}}}$	−3,04
Rubidium(+1)	Rubidium(+0)	${\ce {Rb^{+}\ +\ e^{-}\ \ ->\ Rb_{(s)}}}$	−2,98
Kalium(+1)	Kalium(+0)	${\ce {K^{+}\ +\ e^{-}\ \ ->\ K_{(s)}}}$	−2,93
Cesium(+1)	Cesium(+0)	${\ce {Cs^{+}\ +\ e^{-}\ \ ->\ Cs_{(s)}}}$	−2,92
Barium(+2)	Barium(+0)	${\ce {Ba^{2+}\ +\ 2e^{-}\ \ ->\ Ba_{(s)}}}$	-2,91
Strontium(+2)	Strontium(+0)	${\ce {Sr^{2+}\ +\ 2e^{-}\ \ ->\ Sr_{(s)}}}$	−2,89
Calcium(+2)	Calcium(+0)	${\ce {Ca^{2+}\ +\ 2e^{-}\ \ ->\ Ca_{(s)}}}$	−2,76
Natrium(+1)	Natrium(+0)	${\ce {Na^{+}\ +\ e^{-}\ \ ->\ Na_{(s)}}}$	−2,71
Magnesium(+2)	Magnesium(+0)	${\ce {Mg^{2+}\ +\ 2e^{-}\ \ ->\ Mg_{(s)}}}$	−2,38
Aluminium(+3)	Aluminium(+0)	${\ce {Al^{3+}\ +\ 3e^{-}\ \ ->\ Al_{(s)}}}$	−1,66
Mangaan(+2)	Mangaan(+0)	${\ce {Mn^{2+}\ +\ 2e^{-}\ \ ->\ Mn_{(s)}}}$	−1,19
Water	Waterstof	${\ce {2H2O_{(l)}\ +\ 2e^{-}\ ->\ H2_{(g)}\ +\ 2OH^{-}}}$	−0,83
Zink(+2)	Zink(+0)	${\ce {Zn^{2+}\ +\ 2e^{-}\ \ ->\ Zn_{(s)}}}$	−0,76
Chroom(+3)	Chroom(+0)	${\ce {Cr^{3+}\ +\ 3e^{-}\ \ ->\ Cr_{(s)}}}$	−0,74
Koolstof(+4)	Koolstof(+3)	${\ce {2CO2_{(g)}\ +\ 2H^{+}\ 2e^{-}\ ->\ H2C2O4}}$	−0,49
Zwavel(+0)	Zwavel(−2)	${\ce {S_{(s)}\ +\ 2e^{-}\ ->\ S^{2-}}}$	−0,48
IJzer(+2)	IJzer(+0)	${\ce {Fe^{2+}\ +\ 2e^{-}\ ->\ Fe_{(s)}}}$	−0,41
Cadmium(+2)	Cadmium(+0)	${\ce {Cd^{2+}\ +\ 2e^{-}\ ->\ Cd_{(s)}}}$	−0,40
Kobalt(+2)	Kobalt(+0)	${\ce {Co^{2+}\ +\ 2e^{-}\ ->\ Co_{(s)}}}$	−0,28
Nikkel(+2)	Nikkel(+0)	${\ce {Ni^{2+}\ +\ 2e^{-}\ ->\ Ni_{(s)}}}$	−0,28
Tin(+2)	Tin(+0)	${\ce {Sn^{2+}\ +\ 2e^{-}\ ->\ Sn_{(s)}}}$	−0,14
Lood(+2)	Lood(+0)	${\ce {Pb^{2+}\ +\ 2e^{-}\ ->\ Pb_{(s)}}}$	−0,13
IJzer(+3)	IJzer(+0)	${\ce {Fe^{3+}\ +\ 3e^{-}\ ->\ Fe_{(s)}}}$	−0,04
Waterstof(+1)	Waterstof(+0)	${\ce {2H^{+}\ +\ 2e^{-}\ ->\ H2_{(g)}}}$	0,000^[4]
Zilver(+1)	Zilver(+0)	${\ce {AgBr_{(s)}\ +\ e^{-}\ ->\ Ag{(s)}\ +\ Br^{-}}}$	0,07133^[5]^[6]
Tetrathionaat	Thiosulfaat	${\ce {S4O6^{2-}\ + \ 2 e^{-}\ -> \ 2 S2O3^{2-}}}$	0,08
Tin(+4)	Tin(+2)	${\ce {Sn^{4+}\ +\ 2e^{-}\ ->\ Sn^{2+}}}$	0,15
Koper(+2)	Koper(+1)	${\ce {Cu^{2+}\ +\ e^{-}\ ->\ Cu^{+}}}$	0,16
Chloor(+7)	Chloor(+5)	${\ce {ClO4^{-}\ +\ H2O_{(l)}\ +\ 2e^{-}\ ->\ ClO3^{-}\ +\ 2OH^{-}}}$	0,17
Zilver(+1)	Zilver(+0)	${\ce {AgCl_{(s)}\ +\ e^{-}\ ->\ Ag{(s)}\ +\ Cl^{-}}}$	0,22233^[6]
Chloor(+5)	Chloor(+3)	${\ce {ClO3^{-}\ +2H2O\ +\ 2e^{-}\ ->\ ClO2^{-}\ +\ 2OH^{-}}}$	0,295^[7]
Co-enzym Q10	Co-enzym Q10	${\ce {Q\ +\ 2H+\ +2e^{-}\ ->\ QH2}}$	0,30^[8]
Koper(+2)	Koper(+0)	${\ce {Cu^{2+}\ +\ 2e^{-}\ ->\ Cu_{(s)}}}$	0,34
Chloor(+5)	Chloor(+3)	${\ce {ClO3^{-}\ +H2O\ +\ 2e^{-}\ ->\ ClO2^{-}\ +\ 2OH^{-}}}$	0,35
Chloor(+7)	Chloor(+5)	${\ce {ClO4^{-}\ +H2O\ +\ 2e^{-}\ ->\ ClO3^{-}\ +\ 2OH^{-}}}$	0,374^[7]
Chloor(+3)	Chloor(−1)	${\ce {2ClO^{-}\ +2H2O\ +\ 2e^{-}\ ->\ Cl2\ +\ 4OH^{-}}}$	0,421^[7]
Chloor(+5)	Chloor(+3)	${\ce {ClO3^{-}\ +2H2O\ +\ 4e^{-}\ ->\ ClO^{-}\ +\ 4OH^{-}}}$	0,488^[7]
Jood(+1)	Jood(−1)	${\ce {IO^{-}\ H2O\ +\ 2e^{-}\ ->\ I^{-}\ +\ 2OH^{-}}}$	0,49^[9]
Koper(+1)	Koper(+0)	${\ce {Cu^{+}\ +\ e^{-}\ ->\ Cu_{(s)}}}$	0,52
Jood(0)	Jood(−1)	${\ce {I2 \ + \ 2 e^{-}\ -> \ 2 I^{-}}}$	0,54
Chloor(+3)	Chloor(+1)	${\ce {ClO2^{-}\ +\ H2O_{(l)}\ +\ 2e^{-}\ ->\ ClO^{-}\ +\ 2OH^{-}}}$	0,59
IJzer(+3) Ferrocenium	IJzer(+2) Ferroceen	${\ce {Fe(C5H5)2^{+}\ +\ e^{-}\ ->\ Fe(C5H5)2}}$	0,641^[10]
ABTS(−1)	ABTS(−2)	${\ce {ABTS^{-.}\ +\ e^{-}\ ->\ ABTS^{2-}}}$	0,67^[11]
Chloor(+3)	Chloor(+1)	${\ce {ClO2^{-}\ +H2O\ +\ 2e^{-}\ ->\ ClO^{-}\ +\ 2OH^{-}}}$	0,681^[7]
IJzer(+3)	IJzer(+2)	${\ce {Fe^{3+}\ +\ e^{-}\ ->\ Fe^{2+}}}$	0,77
Kwik(+1)	Kwik(+0)	${\ce {Hg2^{2+}\ + \ 2 e^{-}\ -> \ 2 Hg_{(l)}}}$	0,80
Zilver(+1)	Zilver(+0)	${\ce {Ag^{+}\ +\ e^{-}\ ->\ Ag_{(s)}}}$	0,80
Kwik(+2)	Kwik(+1)	${\ce {Hg^{2+}\ +\ 2e^{-}\ ->\ Hg_{(l)}}}$	0,85
Chloor(+1)	Chloor(−1)	${\ce {ClO^{-}\ +H2O\ +\ 2e^{-}\ ->\ Cl^{-}\ +\ 2OH^{-}}}$	0,890^[7]
Kwik(+2)	Kwik(+1)	${\ce {2Hg^{2+}\ +\ 2e^{-}\ ->\ Hg2^{2+}}}$	0,90
Stikstof(+5)	Stikstof(+2)	${\ce {NO3^{-}\ +\ 4H^{+}\ +\ 3e^{-}\ ->\ NO_{(g)}\ +\ 2H2O_{(l)}}}$	0,96
Broom(+0)	Broom(−1)	${\ce {Br2_{(l)}\ + \ 2 e^{-}\ -> \ 2 Br^{-}}}$	1,07
ABTS(+0)	ABTS(−1)	${\ce {ABTS\ +\ e^{-}\ ->\ ABTS^{-.}}}$	1,08^[11]
Chloor(+5)	Chloor(+3)	${\ce {ClO3^{-}\ +2H^{+}\ +\ 2e^{-}\ ->\ HClO2\ +\ H2O}}$	1,181^[7]
Chloor(+7)	Chloor(+5)	${\ce {ClO4^{-}\ +2H^{+}\ +\ 2e^{-}\ ->\ ClO3^{-}\ +\ H2O}}$	1,201^[7]
Zuurstof	Zuurstof(−2)	${\ce {O2_{(g)}\ + \ 4 H^{+}\ + \ 4 e^{-}\ -> \ 2 H2O_{(l)}}}$	1,23
Chroom(+6)	Chroom(+3)	${\ce {Cr2O7^{2-}\ + 14 H^{+}\ + \ 6 e^{-}\ -> \ 2 Cr^{3+}\ + \ 7 H2O_{(l)}}}$	1,23^[12]
Chroom(+6)	Chroom(+3)		1,33^[13]
Chloor(+7)	Chloor(+0)	${\ce {2 ClO4^{-}\ + 16 H^{+}\ + \ 14 e^{-}\ -> \ 2 Cl2 \ + \ 8 H2O}}$	1,277^[7]
Chloor(+0)	Chloor(−1)	${\ce {Cl2_{(g)}\ + \ 2 e^{-}\ -> \ 2 Cl^{-}}}$	1,358^[7]
Cerium(+4)	Cerium(+3)	${\ce {Ce^{4+}\ +\ e^{-}\ ->\ Ce^{3+}}}$	1,44
Chloor(+5)	Chloor(−1)	${\ce {ClO3^{-}\ +6H^{+}\ +\ 6e^{-}\ ->\ Cl^{-}\ +\ 3H2O}}$	1,459^[7]
Chloor(+5)	Chloor(+0)	${\ce {2 ClO3^{-}\ + 12 H^{+}\ + \ 10 e^{-}\ -> \ 2 Cl2 \ + \ 6 H2O}}$	1,468^[7]
Chloor(+1)	Chloor(−1)	${\ce {HClO\ +H^{+}\ +\ 2e^{-}\ ->\ Cl^{-}\ +\ H2O}}$	1,484^[7]
Mangaan(+7)	Mangaan(+2)	${\ce {MnO4^{-}\ +\ 8H^{+}\ +5e^{-}\ ->\ Mn^{2+}\ 4HJ2O_{(l)}}}$	1,49
Chloor(+1)	Chloor(+0)	${\ce {2HClO2\ +8H^{+}\ +\ 6e^{-}\ ->\ Cl2\ +\ 4H2O}}$	1,630^[7]
Chloor(+3)	Chloor(+0)	${\ce {2HClO\ +2H^{+}\ +\ 2e^{-}\ ->\ Cl2\ +\ 2H2O}}$	1,659^[7]
Chloor(+3)	Chloor(+1)	${\ce {HClO2\ +2H^{+}\ +\ 2e^{-}\ ->\ HClO\ +\ H2O}}$	1,701^[7]
Zuurstof(−1)	Zuurstof(−2)	${\ce {H2O2 \ + \ 2 H^{+}\ + \ 2 e^{-}\ -> \ 2 H2O_{(l)}}}$	1,78
Kobalt(+3)	Kobalt(+2)	${\ce {Co^{3+}\ +\ e^{-}\ ->\ Co^{2+}}}$	1,82
Peroxodisulfaat	sulfaat	${\ce {S2O8^{2-}\ + 2 e^{-}\ -> \ 2 SO4^{2-}}}$	2,01
Zuurstof(+0), ozon	Zuurstof(−2)	${\ce {O3_{(g)}\ +\ 2H^{+}\ +\ 2e^{-}\ ->\ O2_{(g)}\ +\ H2O_{(l)}}}$	2,08
Fluor(0)	Fluor(−1)	${\ce {F2_{(g)}\ + \ 2 e^{-}\ -> \ 2 F^{-}}}$	2,87

Tabel van standaardelektrodepotentialen

Opmerkingen bij de tabel

Tabel

Zie ook

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