REAKSI KATODE
|
E, volt
|
|
F2/F-
|
F2(g)
+ 2e- → 2F-(aq)
|
+2,87
|
H2O2/H2O
|
H2O2(aq)
+ 2H+ +2e- → 2H2O
|
+1,78
|
PbO2/PbSO4
|
PbO2(s)
+ SO42-(aq) + 4H+(aq) + 2e-
→ PbSO4(s) + 2H2O(l)
|
+1,70
|
HClO/Cl-
|
2HClO(aq)
+ 2H+(aq) +2e → Cl2(g) + 2H2O(l)
|
+1,63
|
MnO4-/Mn2+
|
MnO4-(aq)
+ 8H+(aq) + 5e- → Mn2+ (aq) + 4H2O(l)
|
+1,51
|
Au3+/Au
|
Au3+(aq)
+ 3e → Au(s)
|
+1,50
|
PbO2/Pb2+
|
PbO2(s)
+ 4H+(aq) + 2e- → Pb2+(aq) + 2H2O(l)
|
+1,46
|
Cl2/Cl-
|
Cl2(g)
+2e- → 2Cl-
|
+1,36
|
Cr2O72-/Cr3+
|
Cr2O72-(aq)
+ 14H+(aq) +6e- → 2Cr3+ +7H2O(l)
|
+1,33
|
O2/H2O
|
O2(g)
+ 4H+(aq) + 4e- → 2H2O(l)
|
+1,23
|
Br2/Br-
|
Br2(l)
+2e- → 2Br-
|
+1,07
|
NO3-/NO
|
NO3-(aq)
+4H+(aq) + 3e- → NO(g) +2H2O(l)
|
+0,96
|
Hg22+/Hg
|
Hg22+(aq)
+ 2e- → 2Hg(aq)
|
+0,85
|
Ag+/Ag
|
Ag+(aq)
+e- → Ag(s)
|
+0,80
|
NO3-/N2O4
|
2NO3-(aq)
+ 4H+(aq) +2e- → N2O4(aq) +2H2O
|
+0,80
|
Fe3+/Fe2+
|
Fe3+(aq)
+ e- → Fe2+(aq)
|
+0,77
|
O2/H2O2
|
O2(g)
+ 2H+(aq) + 2e- → H2O2(aq)
|
+0,68
|
I2/I-
|
I2(s)
+ 2e- → 2I-
|
+0,54
|
Cu2+/Cu
|
Cu2+(aq)
+2e- → Cu(s)
|
+0,34
|
Sn4+/Sn2+
|
Sn4+(aq)
+ 2e- → Sn2+(aq)
|
+0,13
|
H+/H2
|
2H+(aq)
+2e- → H2(g)
|
0,00
|
Pb2+/Pb
|
Pb2+(aq)
+ 2e → Pb(s)
|
-0,13
|
Sn2+/Sn
|
Sn2+(aq)
+ 2e- → Sn(s)
|
-0,14
|
Ni2+/Ni
|
Ni2+(aq)
2e- → Ni(s)
|
-0,25
|
Co2+/Co
|
Co2+(aq)
+2e- → Co(s)
|
-0,28
|
PbSO4/Pb
|
PbSO4(s)
+ 2e- →Pb(s) + SO42-(aq)
|
-0,31
|
Fe2+/Fe
|
Fe2+(aq)
+ 2e- → Fe(s)
|
-0,44
|
Zn2+/Zn
|
Zn2+(aq)
+ 2e- → Zn(s)
|
-0,76
|
Al3+/Al
|
Al3+(aq)
+3e- → Al(s)
|
-1,66
|
Mg2+/Mg
|
Mg2+(aq)
+ 2e- → Mg(s)
|
-2,37
|
Na+/Na
|
Na+(aq)
+e- → Na(s)
|
-2,71
|
Ca2+/Ca
|
Ca2+(aq)
+2e- → Ca(s)
|
-2,87
|
K+/K
|
K+(aq)
+ e- → K(s)
|
-2,92
|
Li+/Li
|
Li+(aq)
+ e- → Li(s)
|
-3,04
|
Sabtu, 22 September 2012
HARGA POTENSIAL ELEKTRODE STANDAR
Langganan:
Posting Komentar (Atom)
Tidak ada komentar:
Posting Komentar
Ayo jangan malu-malu untuk berkomentar