标准电极电势

下表中所列的标准电极电势（25.0℃，101.325kPa）是相对于标准氢电极电势的值。标准氢电极电势被规定为零伏特（0.0V）。
　
序号(No.) 电极过程(Electrode process) E?/V
1 Ag++e═Ag 0.7996
2 Ag2++e═Ag+ 1.980
3 AgBr+e═Ag+Br- 0.0713
4 AgBrO3+e═Ag+BrO3- 0.546
5 AgCl+e═Ag+Cl- 0.222
6 AgCN+e═Ag+CN- -0.017
7 Ag2CO3+2e═2Ag+CO32- 0.470
8 Ag2C2O4+2e═2Ag+C2O42- 0.465
9 Ag2CrO4+2e═2Ag+CrO42- 0.447
10 AgF+e═Ag+F- 0.779
11 Ag4[Fe(CN)6]+4e═4Ag+[Fe(CN)6]4- 0.148
12 AgI+e═Ag+I- -0.152
13 AgIO3+e═Ag+IO3- 0.354
14 Ag2MoO4+2e═2Ag+MoO42- 0.457
15 [Ag(NH3)2]++e═Ag+2NH3 0.373
16 AgNO2+e═Ag+NO2- 0.564
17 Ag2O+H2O+2e═2Ag+2OH- 0.342
18 2AgO+H2O+2e═Ag2O+2OH- 0.607
19 Ag2S+2e═2Ag+S2- -0.691
20 Ag2S+2H++2e═2Ag+H2S -0.0366
21 AgSCN+e═Ag+SCN- 0.0895
22 Ag2SeO4+2e═2Ag+SeO42- 0.363
23 Ag2SO4+2e═2Ag+SO42- 0.654
24 Ag2WO4+2e═2Ag+WO42- 0.466
25 Al3+3e═Al -1.662
26 AlF63-+3e═Al+6F- -2.069
27 Al(OH)3+3e═Al+3OH- -2.31
28 AlO2-+2H2O+3e═Al+4OH- -2.35
29 Am3++3e═Am -2.048
30 Am4++e═Am3+ 2.60
31 AmO22++4H++3e═Am3++2H2O 1.75
32 As+3H++3e═AsH3 -0.608
33 As+3H2O+3e═AsH3+3OH- -1.37
34 As2O3+6H++6e═2As+3H2O 0.234
35 HAsO2+3H++3e═As+2H?2O 0.248
36 AsO2-+2H2O+3e═As+4OH- -0.68
37 H3?AsO4+2H++2e═HAsO2+2H2O 0.560
38 AsO43-+2H2O+2e═AsO2-+4OH- -0.71
39 AsS2-+3e═As+2S2- -0.75
40 AsS43-+2e═ AsS2-+2S2- -0.60
41 Au++e═Au 1.692
42 Au3++3e═Au 1.498
43 Au3++2e═Au+ 1.401
44 AuBr2-+e═Au+2Br- 0.959
45 AuBr4-+3e═Au+4Br- 0.854
46 AuCl2-+e═Au+2Cl- 1.15
47 AuCl4-+3e═Au+4Cl- 1.002
48 AuI+e═Au+I- 0.50
49 Au(SCN)4-+3e═Au+4SCN- 0.66
50 Au(OH)3+3H++3e═Au+3H2O 1.45
51 BF4-+3e═B+4F- -1.04
52 H2BO3-+H2O+3e═B+4OH- -1.79
53 B(OH)3+7H++8e═BH4-+3H2O -.0481
54 Ba2++2e═Ba -2.912
55 Ba(OH)2+2e═Ba+2OH- -2.99
56 Be2++2e═Be -1.847
57 Be2O32-+3H2O+4e═2Be+6OH- -2.63
58 Bi++e═Bi 0.5
59 Bi3++3e═Bi 0.308
60 BiCl4-+3e═Bi+4Cl- 0.16
61 BiOCl+2H++3e═Bi+Cl-+H2O 0.16
62 Bi2O3+3H2O+6e═2Bi+6OH- -0.46
63 Bi2O4+4H++2e═2BiO++2H2O 1.593
64 Bi2O4+H2O+2e═ Bi2O3+2OH- 0.56
65 Br2(水溶液,aq)+2e═2Br- 1.087
66 Br2(液体)+2e═2Br- 1.066
67 BrO-+H2O+2e═Br-+2OH 0.761
68 BrO3-+6H++6e═Br-+3H2O 1.423
69 BrO3-+3H2O+6e═Br-+6OH- 0.61
70 2BrO3-+12H++10e═Br2+6H2O 1.482
71 HBrO+H++2e═Br-+H2O 1.331
72 2HBrO+2H++2e═Br2(水溶液,aq)+2H2O 1.574
73 CH3OH+2H++2e═CH4+H2O 0.59
74 HCHO+2H++2e═CH3OH 0.19
75 CH3COOH+2H++2e═CH3CHO+H2O -0.12
76 (CN)2+2H++2e═2HCN 0.373
77 (CNS)2+2e═2CNS- 0.77
78 CO2+2H++2e═CO+H2O -0.12
79 CO2+2H++2e═HCOOH -0.199
80 Ca2++2e═Ca -2.868
81 Ca(OH)2+2e═Ca+2OH- -3.02
82 Cd2++2e═Cd -0.403
83 Cd2++2e═Cd(Hg) -0.352
84 Cd(CN)42-+2e═Cd+4CN- -1.09
85 CdO+H2O+2e═Cd+2OH- -0.783
86 CdS+2e═Cd+S2- -1.17
87 CdSO4+2e═Cd+SO42- -0.246
88 Ce3++3e═Ce -2.336
89 Ce3++3e═Ce(Hg) -1.437
90 CeO2+4H++e═Ce3++2H2O 1.4
91 Cl2(气体)+2e═2Cl- 1.358
92 ClO-+H2O+2e═Cl-+2OH- 0.89
93 HClO+H++2e═Cl-+H2O 1.482
94 2HClO+2H++2e═Cl2+2H2O 1.611
95 ClO2-+2H2O+4e═Cl-+4OH- 0.76
96 2ClO3-+12H++10e═Cl2+6H2O 1.47
97 ClO3-+6H++6e═Cl-+3H2O 1.451
98 ClO3-+3H2O+6e═Cl-+6OH- 0.62
99 ClO4-+8H++8e═Cl-+4H2O 1.38
100 2ClO4-+16H++14e═Cl2+8H2O 1.39
101 Cm3++3e═Cm -2.04
102 Co2++2e═Co -0.28
103 [Co(NH3)6]3++e═[Co(NH3)6]2+ 0.108
104 [Co(NH3)6]2++2e═Co+6NH3 -0.43
105 Co(OH)2+2e═Co+2OH- -0.73
106 Co(OH)3+e═Co(OH)2+OH- 0.17
107 Cr2++2e═Cr -0.913
108 Cr3++e═Cr2+ -0.407
109 Cr3++3e═Cr -0.744
110 [Cr(CN)6]3-+e═[Cr(CN)6]4- -1.28
111 Cr(OH)3+3e═Cr+3OH- -1.48
112 Cr2O72-+14H++6e═2Cr3++7H2O 1.232
113 CrO2-+2H2O+3e═Cr+4OH- -1.2
114 HCrO4-+7H++3e═Cr3++4H2O 1.350
115 CrO42-+4H2O+3e═Cr(OH)3+5OH- -0.13
116 Cs++e═Cs -2.92
117 Cu++e═Cu 0.521
118 Cu2++2e═Cu 0.342
119 Cu2++2e═Cu(Hg) 0.345
120 Cu2++Br-+e═CuBr 0.66
121 Cu2++Cl-+e═CuCl 0.57
122 Cu2++I-+e═CuI 0.86
123 Cu2++2CN-+e═[Cu(CN)2]- 1.103
124 CuBr2-+e═Cu+2Br- 0.05
125 CuCl2-+e═Cu+2Cl- 0.19
126 CuI2-+e═Cu+2I- 0.00
127 Cu2O+H2O+2e═2Cu+2OH- -0.360
128 Cu(OH)2+2e═Cu+2OH- -0.222
129 2Cu(OH)2+2e═Cu2O+2OH-+H2O -0.080
130 CuS+2e═Cu+S2- -0.70
131 CuSCN+e═Cu+SCN- -0.27
132 Dy2++2e═Dy -2.2
133 Dy3++3e═Dy -2.295
134 Er2++2e═Er -2.0
135 Er3++3e═Er -2.331
136 Es2++2e═Es -2.23
137 Es3++3e═Es -1.91
138 Eu2++2e═Eu -2.812
139 Eu3++3e═Eu -1.991
140 F2+2H++2e═2HF 3.053
141 F2O+2H++4e═H?2O+2F- 2.153
142 Fe2++2e═Fe -0.447
143 Fe3++3e═Fe -0.037
144 [Fe(CN)6]3-+e═[Fe(CN)6]4- 0.358
145 [Fe(CN)6]4-+2e═Fe+6CN- -1.5
146 FeF63-+e═Fe2++6F- 0.4
147 Fe(OH)2+2e═Fe+2OH- -0.877
148 Fe(OH)3+e═Fe(OH)2+OH- -0.56
149 Fe3O4+8H++2e═3Fe2++4H2O 1.23
150 Fm3++3e═Fm -1.89
151 Fr++e═Fr -2.9
152 Ga3++3e═Ga -0.549
153 H2GaO3-+H2O+3e═Ga+4OH- -1.29
154 Gd3++3e═Gd -2.279
155 Ge2++2e═Ge 0.24
156 Ge4++2e═Ge2+ 0.0
157 GeO2+2H++2e═GeO(棕色)+H2O -0.118
158 GeO2+2H++2e═GeO(黄色)+H2O -0.273
159 H2GeO3+4H++4e═Ge+3H2O -0.182
160 2H++2e═H2 0.0000
161 H2+2e═2H- -2.25
162 2H2O+2e═H2+2OH- -0.8277
163 Hf4++4e═Hf -1.55
164 Hg2++2e═Hg 0.851
165 Hg22++2e═2Hg 0.797
166 2Hg2++2e═Hg22+ 0.920
167 Hg2Br2+2e═2Hg+2Br- 0.1392
168 HgBr42-+2e═Hg+4Br- 0.21
169 Hg2Cl2+2e═2Hg+2Cl- 0.2681
170 2HgCl2+2e═Hg2Cl2+2Cl- 0.63
171 Hg2CrO4+2e═2Hg+CrO42- 0.54
172 Hg2I2+2e═2Hg+2I- -0.0405
173 Hg2O+H2O+2e═2Hg+2OH- 0.123
174 HgO+H2O+2e═Hg+2OH- 0.0977
175 HgS(红色)+2e═Hg+S2- -0.70
176 HgS(黑色)+2e═Hg+S2- -0.67
177 Hg2(SCN)2+2e═2Hg+2SCN- 0.22
178 Hg2SO4+2e═2Hg+SO42- 0.613
179 Ho2++2e═Ho -2.1
180 Ho3++3e═Ho -2.33
181 I2+2e═2I- 0.5355
182 I3-+2e═3I- 0.536
183 2IBr+2e═I2+2Br- 1.02
184 ICN+2e═I-+CN- 0.30
185 2HIO+2H++2e═I2+2H2O 1.439
186 HIO+H++2e═I-+H2O 0.987
187 IO-+H2O+2e═I-+2OH- 0.485
188 2IO3-+12H++10e═I2+6H2O 1.195
189 IO3-+6H++6e═I-+3H2O 1.085
190 IO3-+2H2O+4e═IO-+4OH- 0.15
191 IO3-+3H2O+6e═I-+6OH- 0.26
192 2IO3-+6H2O+10e═I2+12OH- 0.21
193 H5IO6+H++2e═IO3-+3H2O 1.601
194 In++e═In -0.14
195 In3++3e═In -0.338
196 In(OH)3+3e═In+3OH- -0.99
197 Ir3++3e═Ir 1.156
198 IrBr62-+e═ IrBr63- 0.99
199 IrCl62-+e═IrCl63- 0.867
200 K++e═K -2.931
201 La3++3e═La -2.379
202 La(OH)3+3e═La+3OH- -2.90
203 Li++e═Li -3.040
204 Lr3++3e═Lr -1.96
205 Lu3++3e═Lu -2.28
206 Md2++2e═Md -2.40
207 Md3++3e═Md -1.65
208 Mg2++2e═Mg -2.372
209 Mg(OH)2+2e═Mg+2OH- -2.690
210 Mn2++2e═Mn -1.185
211 Mn3++3e═Mn 1.542
212 MnO2+4H++2e═Mn2++2H2O 1.224
213 MnO4-+4H++3e═MnO2+2H2O 1.679
214 MnO4-+8H++5e═Mn2++4H2O 1.507
215 MnO4-+2H2O+3e═MnO2+4OH- 0.595
216 Mn(OH)2+2e═Mn+2OH- -1.56
217 Mo3++3e═Mo -0.200
218 MoO42-+4H2O+6e═Mo+8OH- -1.05
219 N2+2H?2O+6H++6e═2NH4OH 0.092
220 2NH3OH++H++2e═N2H5++2H2O 1.42
221 2NO+H2O+2e═N2O+2OH- 0.76
222 2HNO2+4H++4e═N2O+3H2O 1.297
223 NO3-+3H++2e═HNO2+H2O 0.934
224 NO3-+H2O+2e═NO2-+2OH- 0.01
225 2NO3-+2H2O+2e═N2O4+4OH- -0.85
226 Na++e═Na -2.713
227 Nb3++3e═Nb -1.099
228 NbO2+4H++4e═Nb+2H2O -0.690
229 Nb2O5+10H++10e═2Nb+5H2O -0.644
230 Nd2++2e═Nd -2.1
231 Nd3++3e═Nd -2.323
232 Ni2++2e═Ni -0.257
233 NiCO3+2e═Ni+CO32- -0.45
234 Ni(OH)2+2e═Ni+2OH- -0.72
235 NiO2+4H++2e═Ni2++2H2O 1.678
236 No2++2e═No -2.50
237 No3++3e═No -1.20
238 Np3++3e═Np -1.856
239 NpO2+H2O+H++e═Np(OH)3 -0.962
240 O2+4H++4e═2H2O 1.229
241 O2+2H2O+4e═4OH- 0.401
242 O3+H2O+2e═O2+2OH- 1.24
243 Os2++2e═Os 0.85
244 OsCl63-+e═Os2++6Cl- 0.4
245 OsO2+2H2O+4e═Os+4OH- -0.15
246 OsO4+8H++8e═Os+4H2O 0.838
247 OsO4+4H++4e═OsO2+2H2O 1.02
248 P+3H2O+3e═PH3(g)+3OH- -0.87
249 H2PO2-+e═P+2OH- -1.82
250 H3PO3+2H++2e═H3PO2+H2O -0.499
251 H3PO3+3H++3e═P+3H2O -0.454
252 H3PO4+2H++2e═H3PO3+H2O- -0.276
253 PO43-+2H2O+2e═HPO32-+3OH- -1.05
254 Pa3++3e═Pa -1.34
255 Pa4++4e═Pa -1.49
256 Pb2++2e═Pb -0.126
257 Pb2++2e═Pb(Hg) -0.121
258 PbBr2+2e═Pb+2Br- -0.284
259 PbCl2+2e═Pb+2Cl- -0.268
260 PbCO3+2e═Pb+CO32- -0.506
261 PbF2+2e═Pb+2F- -0.344
262 PbI2+2e═Pb+2I- -0.365
263 PbO+H2O+2e═Pb+2OH- -0.580
264 PbO+4H++2e═Pb+H2O 0.25
265 PbO2+4H++2e═Pb2+2H2O 1.455
266 HPbO2-+H2O+2e═Pb+3OH- -0.537
267 PbO2+SO42-+4H++2e═PbSO4+2H2O 1.691
268 PbSO4+2e═Pb+SO42- -0.359
269 Pd2++2e═Pd 0.915
270 PdBr42-+2e═Pd+4Br- 0.6
271 PdO2+H2O+2e═PdO+2OH- 0.73
272 Pd(OH)2+2e═Pd+2OH- 0.07
273 Pm2++2e═Pm -2.20
274 Pm3++3e═Pm -2.30
275 Po4++4e═Po 0.76
276 Pr2++2e═Pr -2.0
277 Pr3++3e═Pr -2.353
278 Pt2++2e═Pt 1.18
279 [PtCl6]2-+2e═[PtCl4]2-+2Cl- 0.68
280 Pt(OH)2+2e═Pt+2OH- 0.14
281 PtO2+4H++4e═Pt+2H2O 1.00
282 PtS+2e═Pt+S2- -0.83
283 Pu3++3e═Pu -2.031
284 Pu5++e═Pu4+ 1.099
285 Ra2++2e═Ra -2.8
286 Rb++e═Rb -2.98
287 Re3++3e═Re 0.300
288 ReO2+4H++4e═Re+2H2O 0.251
289 ReO4-+4H++3e═ReO2+2H2O 0.510
290 ReO4-+4H2O+7e═Re+8OH- -0.584
291 Rh2++2e═Rh 0.600
292 Rh3++3e═Rh 0.758
293 Ru2++2e═Ru 0.455
294 RuO2+4H++2e═Ru2++2H?2O 1.120
295 RuO4+6H++4e═Ru(OH)22++2H2O 1.40
296 S+2e═S2- -0.476
297 S+2H++2e═H2S(水溶液,aq) 0.142
298 S2O62-+4H++2e═2H2SO3 0.564
299 2SO32-+3H2O+4e═S2O32-+6OH- -0.571
300 2SO32-+2H2O+2e═S2O42-+4OH- -1.12
301 SO42-+H2O+2e═SO32-+2OH- -0.93
302 Sb+3H++3e═SbH3 -0.510
303 Sb2O3+6H++6e═2Sb+3H2O 0.152
304 Sb2O5+6H++4e═2SbO++3H2O 0.581
305 SbO3-+H2O+2e═SbO2-+2OH- -0.59
306 Sc3++3e═Sc -2.077
307 Sc(OH)3+3e═Sc+3OH- -2.6
308 Se+2e═Se2- -0.924
309 Se+2H++2e═H2Se(水溶液,aq) -0.399
310 H2?SeO3+4H++4e═Se+3H2O -0.74
311 SeO32-+3H2O+4e═Se+6OH- -0.366
312 SeO42-+H2O+2e═SeO32-+2OH- 0.05
313 Si+4H++4e═SiH4(气体) 0.102
314 Si+4H2O+4e═SiH4+4OH- -0.73
315 SiF62-+4e═Si+6F- -1.24
316 SiO2+4H++4e═Si+2H2O -0.857
317 SiO32-+3H2O+4e═Si+6OH- -1.697
318 Sm2++2e═Sm -2.68
319 Sm3++3e═Sm -2.304
320 Sn2++2e═Sn -0.138
321 Sn4++2e═Sn2+ 0.151
322 SnCl42-+2e═Sn+4Cl-(1mol/LHCl) -0.19
323 SnF62-+4e═Sn+6F- -0.25
324 Sn(OH)3-+3H++2e═Sn2++3H2O 0.142
325 SnO2+4H++4e═Sn+2H2O -0.117
326 Sn(OH)62-+2e═HSnO2-+3OH-+H2O -0.93
327 Sr2++2e═Sr -2.899
328 Sr2++2e═Sr(Hg) -1.793
329 Sr(OH)2+2e═Sr+2OH- -2.88
330 Ta3++3e═Ta -0.6
331 Tb3++3e═Tb -2.28
332 Tc2++2e═Tc 0.400
333 TcO4-+8H++7e═Tc+4H2O 0.472
334 TcO4-+2H2O+3e═TcO2+4OH- -0.311
335 Te+2e═Te2- -1.143
336 Te4++4e═Te 0.568
337 Th4++4e═Th -1.899
338 Ti2++2e═Ti -1.630
339 Ti3++3e═Ti -1.37
340 TiO2+4H++2e═Ti2++2H2O -0.502
341 TiO2++2H++e═Ti3++H2O 0.1
342 Tl++e═Tl -0.336
343 Tl3++3e═Tl 0.741
344 Tl3++Cl-+2e═TlCl 1.36
345 TlBr+e═Tl+Br- -0.658
346 TlCl+e═Tl+Cl- -0.557
347 TlI+e═Tl+I- -0.752
348 Tl2O3+3H?2O+4e═2Tl++6OH- 0.02
349 TlOH+e═Tl+OH- -0.34
350 Tl2SO4+2e═2Tl+SO42- -0.436
351 Tm2++2e═Tm -2.4
352 Tm3++3e═Tm -2.319
353 U3++3e═U -1.798
354 UO2+4H++4e═U+2H2O -1.40
355 UO2++4H++e═U4++2H2O 0.612
356 UO22++4H++6e═U+2H2O -1.444
357 V2++2e═V -1.175
358 VO2++2H++e═V3++H2O 0.337
359 VO2++2H++e═VO2++H2O 0.991
360 VO2++4H++2e═V3++2H2O 0.668
361 V2O5+10H++10e═2V+5H2O -0.242
362 W3++3e═W 0.1
363 WO3+6H++6e═W+3H2O -0.090
364 W2O5+2H++2e═2WO2+H2O -0.031
365 Y3++3e═Y -2.372
366 Yb2++2e═Yb -2.76
367 Yb3++3e═Yb -2.19
368 Zn2++2e═Zn -0.7618
369 Zn2++2e═Zn(Hg) -0.7628
370 Zn(OH)2+2e═Zn+2OH- -1.249
371 ZnS+2e═Zn+S2- -1.40
372 ZnSO4+2e═Zn(Hg)+SO42- -0.799