Standard electrode potentials of metals at 25 °C (table)
Reference table of electrode potentials of metals in General and inorganic chemistry contains: electrodes, electrode reactions and standard potential. Intended for pupils and students.
|
Electrode |
Electrode reaction |
Potentials Е°, В |
|
Li / Li+ |
Li+ + e-= Li |
-3,045 |
|
Rb / Rb+ |
Rb+ + e-= Rb |
-2,925 |
|
K / K+ |
K+ + e-= K |
-2,924 |
|
Cs / Cs+ |
Cs+ + e-= Cs |
-2,923 |
|
Ba / Ba2+ |
Ba2+ + 2e-= Ba |
-2,905 |
|
Sr / Sr2+ |
Sr2+ + 2e-= Sr |
-2,888 |
|
Ca / Ca2+ |
Ca2+ + 2e-= Ca |
-2,866 |
|
Na / Na+ |
Na+ + e-= Na |
-2,714 |
|
Mg / Mg2+ |
Mg2+ + 2e-= Mg |
-2,363 |
|
Sc / Sc3+ |
Sc3+ +3e-= Sc |
-2,077 |
|
Be / Be2+ |
Be2+ + 2e-= Be |
-1,847 |
|
Al / Al3+ |
Al3+ + 3e-= Al |
-1,660 |
|
Mn / Mn2+ |
Mn2+ + 2e-= Mn |
-1,179 |
|
Cr / Cr2+ |
Cr2+ + 2e-= Cr |
-0,913 |
|
Zn / Zn2+ |
Zn2+ + 2e-= Zn |
-0,760 |
|
Fe / Fe2+ |
Fe2+ + 2e-= Fe |
-0,440 |
|
Cd / Cd2+ |
Cd2+ + 2e-= Cd |
-0,400 |
|
Co / Co2+ |
Co2+ + 2e-= Co |
-0,277 |
|
Ni / Ni2+ |
Ni2+ + 2e-= Ni |
-0,250 |
|
Sn / Sn2+ |
Sn2+ + 2e-= Sn |
-0,136 |
|
Pb / Pb2+ |
Pb2+ + 2e-= Pb |
-0,126 |
|
H2 / H+ |
2H+ + 2e-= H2 |
0,000 |
|
Sb / Sb3+ |
Sb3+ + 3e-= Sb |
+0,2 |
|
Bi / Bi3+ |
Bi3+ + 3e-= Bi |
+0,23 |
|
Cu / Cu2+ |
Cu2+ + 2e-= Cu |
+0,337 |
|
Hg / Hg+ |
Hg+ + 1e-= Hg |
+0,788 |
|
Ag / Ag+ |
Ag+ + e-= Ag |
+0,799 |
|
Pd / Pd2+ |
Pd2+ 2e-= Pd |
+0,987 |
|
Pt / Pt2+ |
Pt2+ + 2e-= Pt |
+1,188 |
|
Au / Au+ |
Au+ + e-= Au |
+1,692 |
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