Elektroda redoks |
Reakcja elektrodowa |
E"(V) | |
1. |
S042-, SOs2-, OH- |
S042- + H2O + 2e- ->■ SO32- + 40H- |
- 0,930 |
2. |
h2, oh- |
2H20 + 2e- -> H2 + 20H- |
- 0,828 |
3. |
SOs2-, S2032-, OH- |
2S032" + 3H20 + 4e- —» S2032" + 60H" |
- 0,580 |
4. |
s,s2- |
S + 2e- -> S2- |
-0,510 |
5. |
Cr3*, Cr2* |
Cr3+ + e- ^ Cr2+ |
- 0,408 |
6. |
H+, H2 |
2H+ + 2e- H2 |
0,000 |
7. |
no3-, no2-, oh- |
NO3- + H20 + 2e- —> N02" + 20H" |
+ 0,010 |
8. |
Sn4*, Sn2+ |
Sn4+ + 2e- -> Sn2+ |
+ 0,150 |
9. |
Cu2*, Cu* |
Cu2+ + e- -> Cu+ |
+ 0,150 |
10. |
CI03-, CI02-, OH- |
CIO3- + H20 + 2e- -> CI02- + 20H- |
+ 0,330 |
11. |
o o 1 O o co 1 o □c 1 |
CIO4- + H20 + 2e- -» CIO3- + 20H- |
+ 0,360 |
12. |
H+, S2032-,H2S03 |
2H2S03 + 2H+ + 4e- —> S2032- + 3H20 |
+ 0,400 |
13. |
02i OH" |
1/2 02 + H20 +2e- -> 20H- |
+ 0,401 |
14. |
l2ł I" |
1/412 + e- —> I- |
+ 0,538 |
15. |
As043", H+, As02~ |
As043" + 4H+ + 2e- —> As02" + 2H20 |
+ 0,560 |
16. |
Mn04", OH", Mn02 |
Mn04" + 2H20 + 3e- —> Mn02 + 40H- |
+ 0,588 |
17. |
CI02-, CIO-, OH- |
CI02- + H20 + 2e- -> CIO- + 20H- |
+ 0,660 |
18. |
H+, H202i 02 |
02 + 2H++ 2e- —> H202 |
+ 0,682 |
19. |
Fe3+, Fe2+ |
Fe3+ + e- -> Fe2+ |
+ 0,771 |
20. |
H+, N03“, N02 |
NO3- + 2H+ + e~ —> N02 + H20 |
+ 0,773 |
21. |
CIO-, Cl", OH- |
CIO- + H20 + 2e- -> Cl" + 20H- |
+ 0,890 |
22. |
H+, N03-, NO |
N03- + 4H+ + 4e- NO + 2H20 |
+ 0,960 |
23. |
H+, N02", NO |
N02- + 2H+ + e- -> NO + H20 |
+ 1,000 |
24. |
Br2) Br |
1/2Br2 + e- -> Br |
+ 1,065 |
25. |
CI02) cio2- |
CI02 + e~ —> CI02- |
+ 1,160 |
26. |
H+, CI04-, CI03- |
CIO4- + 2H* + 2e- ^ CIO3- + H20 |
+ 1,190 |
27. |
H+, I03-, l2 |
IO3- + 6H+ + 5e- —> 1/212 + 3H20 |
+ 1,195 |
28. |
H+, 02 |
02 + 4H+ +4e- —> 2H20 |
+ 1,229 |
29. |
H+, Mn2+, Mn02 |
Mn02 + 4H+ + 2e- -> 2H20 |
+ 1,230 |
30. |
03l 02l OH- |
O3 + H20 + 2e- —> 02 + 20H" |
+ 1,240 |
31. |
H+, Cr2072", Cr3+ |
Cr2C>72- + 14H* + 6e- -» 2Cr3* + 7H20 |
+ 1,330 |
32. |
Cl2) ci- |
1/2 Cl2 + e- —> Cl" |
+ 1,360 |
33. |
h+,cio3-, ci- |
CIO3- + 6H+ + 6e- Cl- + 3H20 |
+ 1,450 |
34. |
H+, Pb02, Pb2+ |
Pb02 + 4H* + 2e- ^ Pb2* + 2H20 |
+ 1,455 |
35. |
H+, Mn04", Mn2+ |
Mn04" + 8H+ + 5e- -> Mn2+ + 4H20 |
+ 1,510 |
36. |
Pb4+, Pb2+ |
Pb4+ + 2e- -> Pb2+ |
+ 1,690 |
37. |
H+, Mn04", Mn02 |
Mn04“ + 4H+ + 3e- —> Mn02 + 24H20 |
+ 1,695 |
38. |
H+, H202 |
H202 + 2H+ + 2e- —> 2H20 |
+ 1,776 |
39. |
H+, 03l 02 |
O3, + 2H+ + 2e- —> 02 + H20 |
+ 2,070 |
40. |
F2,F- |
Vi F2 + e~ —> F- |
+ 2,870 |