Table of standard electrode potentials

From Academic Kids

The values below are standard electrode potentials taken at 25°C in aqueous solution.

Cathode (Reduction) Half-Reaction Standard Potential E° (volts)
Li+(aq) + e- → Li(s) -3.04
Rb+ + e- → Rb (s) -2.98
K+(aq) + e- → K(s) -2.93
Cs+(aq) + e- → Cs(s) -2.92
Ba2+(aq) + 2e- → Ba(s) -2.91
Sr2+(aq) + 2e- → Sr(s) -2.89
Ca2+(aq) + 2e- → Ca(s) -2.76
Na+(aq) + e- → Na(s) -2.71
Mg2+(aq) + 2e- → Mg(s) -2.38
Al3+(aq) + 3e- → Al(s) -1.66
Mn2+(aq) + 2e- → Mn(s) -1.19
2H2O(l) + 2e- → H2(g) + 2OH-(aq) -0.83
Zn2+(aq) + 2e- → Zn(s) -0.76
Cr3+(aq) + 3e- → Cr(s) -0.74
Fe2+(aq) + 2e- → Fe(s) -0.41
Cd2+(aq) + 2e- → Cd(s) -0.40
Co2+(aq) + 2e- → Co(s) -0.28
Ni2+(aq) + 2e- → Ni(s) -0.23
Sn2+(aq) + 2e- → Sn(s) -0.14
Pb2+(aq) + 2e- → Pb(s) -0.13
Fe3+(aq) + 3e- → Fe(s) -0.04
2H+(aq) + 2e- → H2(g) 0.00
Sn4+(aq) + 2e- → Sn2+(aq) 0.15
Cu2+(aq) + 2e- → Cu+(aq) 0.16
ClO4-(aq) +

H2O(l) + 2e- → ClO3-(aq) +

2OH-(aq)
0.17
AgCl(s) + e- → Ag(s) + Cl-(aq) 0.22
Cu2+(aq) + 2e- → Cu(s) 0.34
ClO3-(aq) +

H2O(l) + 2e-

ClO2-(aq) + 2OH-(aq)
0.35
O-(aq) + H2O(l) + 2e-I-(aq) + 2OH-(aq) 0.49
Cu+(aq) + e- → Cu(s) 0.52
I2(s) + 2e- → 2I-(aq) 0.54
ClO2-(aq) +

H2O(l) + 2e- → ClO-(aq) +

2OH-(aq)
0.59
Fe3+(aq) + e- → Fe2+(aq) 0.77
Hg22+(aq) + 2e- → 2Hg(l) 0.80
Ag+(aq) + e- → Ag(s) 0.80
Hg2+(aq) + 2e- → Hg(l) 0.85
ClO-(aq) + H2O(l) + 2e- → Cl-(aq) + 2OH-(aq) 0.90
2Hg2+(aq) + 2e- → Hg22+(aq) 0.90
NO3-(aq) +

4H+(aq) + 3e- → NO(g) +

2H2O(l)
0.96
Br2(l) + 2e- → 2Br-(aq) 1.07
O2(g) + 4H+(aq) + 4e- → 2H2O(l) 1.23
Cr2O72-(aq) +

14H+(aq) + 6e- → 2Cr3+(aq) +

7H2O(l)
1.33
Cl2(g) + 2e- → 2Cl-(aq) 1.36
Ce4+(aq) + e- → Ce3+(aq) 1.44
MnO4-(aq) +

8H+(aq) + 5e- → Mn2+(aq) +

4H2O(l)
1.49
H2O2(aq) + 2H+(aq) + 2e- → 2H2O(l) 1.78
Co3+(aq) + e- → Co2+(aq) 1.82
S2O82-(aq) + 2e- → 2SO42-(aq) 2.01
O3(g) + 2H+(aq) + 2e- → O2(g) + H2O(l) 2.07
F2(g) + 2e- → 2F-(aq) 2.87

See also: electrochemical potentialnl:Tabel van standaardelektrodepotentialen

Navigation

Academic Kids Menu

  • Art and Cultures
    • Art (http://www.academickids.com/encyclopedia/index.php/Art)
    • Architecture (http://www.academickids.com/encyclopedia/index.php/Architecture)
    • Cultures (http://www.academickids.com/encyclopedia/index.php/Cultures)
    • Music (http://www.academickids.com/encyclopedia/index.php/Music)
    • Musical Instruments (http://academickids.com/encyclopedia/index.php/List_of_musical_instruments)
  • Biographies (http://www.academickids.com/encyclopedia/index.php/Biographies)
  • Clipart (http://www.academickids.com/encyclopedia/index.php/Clipart)
  • Geography (http://www.academickids.com/encyclopedia/index.php/Geography)
    • Countries of the World (http://www.academickids.com/encyclopedia/index.php/Countries)
    • Maps (http://www.academickids.com/encyclopedia/index.php/Maps)
    • Flags (http://www.academickids.com/encyclopedia/index.php/Flags)
    • Continents (http://www.academickids.com/encyclopedia/index.php/Continents)
  • History (http://www.academickids.com/encyclopedia/index.php/History)
    • Ancient Civilizations (http://www.academickids.com/encyclopedia/index.php/Ancient_Civilizations)
    • Industrial Revolution (http://www.academickids.com/encyclopedia/index.php/Industrial_Revolution)
    • Middle Ages (http://www.academickids.com/encyclopedia/index.php/Middle_Ages)
    • Prehistory (http://www.academickids.com/encyclopedia/index.php/Prehistory)
    • Renaissance (http://www.academickids.com/encyclopedia/index.php/Renaissance)
    • Timelines (http://www.academickids.com/encyclopedia/index.php/Timelines)
    • United States (http://www.academickids.com/encyclopedia/index.php/United_States)
    • Wars (http://www.academickids.com/encyclopedia/index.php/Wars)
    • World History (http://www.academickids.com/encyclopedia/index.php/History_of_the_world)
  • Human Body (http://www.academickids.com/encyclopedia/index.php/Human_Body)
  • Mathematics (http://www.academickids.com/encyclopedia/index.php/Mathematics)
  • Reference (http://www.academickids.com/encyclopedia/index.php/Reference)
  • Science (http://www.academickids.com/encyclopedia/index.php/Science)
    • Animals (http://www.academickids.com/encyclopedia/index.php/Animals)
    • Aviation (http://www.academickids.com/encyclopedia/index.php/Aviation)
    • Dinosaurs (http://www.academickids.com/encyclopedia/index.php/Dinosaurs)
    • Earth (http://www.academickids.com/encyclopedia/index.php/Earth)
    • Inventions (http://www.academickids.com/encyclopedia/index.php/Inventions)
    • Physical Science (http://www.academickids.com/encyclopedia/index.php/Physical_Science)
    • Plants (http://www.academickids.com/encyclopedia/index.php/Plants)
    • Scientists (http://www.academickids.com/encyclopedia/index.php/Scientists)
  • Social Studies (http://www.academickids.com/encyclopedia/index.php/Social_Studies)
    • Anthropology (http://www.academickids.com/encyclopedia/index.php/Anthropology)
    • Economics (http://www.academickids.com/encyclopedia/index.php/Economics)
    • Government (http://www.academickids.com/encyclopedia/index.php/Government)
    • Religion (http://www.academickids.com/encyclopedia/index.php/Religion)
    • Holidays (http://www.academickids.com/encyclopedia/index.php/Holidays)
  • Space and Astronomy
    • Solar System (http://www.academickids.com/encyclopedia/index.php/Solar_System)
    • Planets (http://www.academickids.com/encyclopedia/index.php/Planets)
  • Sports (http://www.academickids.com/encyclopedia/index.php/Sports)
  • Timelines (http://www.academickids.com/encyclopedia/index.php/Timelines)
  • Weather (http://www.academickids.com/encyclopedia/index.php/Weather)
  • US States (http://www.academickids.com/encyclopedia/index.php/US_States)

Information

  • Home Page (http://academickids.com/encyclopedia/index.php)
  • Contact Us (http://www.academickids.com/encyclopedia/index.php/Contactus)

  • Clip Art (http://classroomclipart.com)
Toolbox
Personal tools