最全的标准电极电势

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标准电极电势表

标准电极电势表
CIO4+2HT+2e=CIO3+HtO
3十—
Al +3e =Al
AlF36+3e =Al+6F
CIO4+8H十+7e=1/2CI2+4冲0
AaO+61■十+6e—=2As+3HO
HAsO+3H++3e—=As+2H0
CIO4+8H++8e—=CI—+4H2O
HAsO+21■十+2e—=HAsO+2HO
CO+2e=Co
Au十+e—=Au
CcT+e一=C6+(2mol・L—1H2SO)
Au3++3 e—=Au
CQ+2H++2e—=HCOOH
AuCl4+3e=Au+ 4Cl
2+—
Cr+2e=Cr
Au3++2e—=Au+
3+—―2+
Cr+e=Cr
HBO+3H十+3e—=B+ 3f0
8
Cr3++3e—=Cr
HCIO+ H+2e=Cl+H2O
AgOO+2e=2Ag+C2o2
7
CIO2+H++e=HCIO
AgCl+e=Ag+Cl
HCIO+2H++2e一=HCIO+ HO
Ag CO3+2e「=2Ag+ CO2-
HCIQ+3H1+3e=1/2CI2+2H2O

最新最全最实用电极电势表

最新最全最实用电极电势表

标准电极电势表环境:摄氏25度,1标准大气压,离子浓度1摩尔/升,采用氢电极最全最实用电极电势表由xsm18倾情制作,转载请注明来源:/xsm18/homePbSO4(+2)/Pb PbSO4+2e-=Pb+SO42--0.3588PbBr2(+2)/Pb PbBr2+2e-=Pb+2Br--0.284Co2+/Co Co2++2e-=Co-0.28H3PO4/H3PO3H3PO4+2H++2e-=H3PO3+H2O-0.276PbCl2(+2)/Pb PbI2+2e-=Pb+2I--0.2675Ni2+/Ni Ni2++2e-=Ni-0.257CO2/HCOOH(甲酸)CO2(g)+2H++2e-=HCOOH(aq)-0.199CuI(+1)/Cu CuI+e-=Cu+I-0.1852AgI(+1)/Ag AgI+e-=Ag+I-0.15224Sn2+/Sn Sn2++2e-=Sn-0.1375Pb2+/Pb Pb2++2e-=Pb-0.1262C4+/C2+CO2(g)+2H++2e-=CO+H2O-0.12P/PH3P(白磷)+3H++3e-=PH3(g)-0.063气体(g)Hg2I2(+1)/Hg Hg2I2+2e-=2Hg+2I--0.0405Fe3+/Fe Fe3++3e-=Fe-0.037Ag2S(+1)/Ag Ag2S+2H++2e-=2Ag+H2S-0.0366H+/H22H++2e-=H20.00CuBr(+1)/Cu CuBr+e-=Cu+Br-0.033AgBr(+1)/Ag AgBr+e-=Ag+Br-0.07133Si/SiH4Si+4H++4e-=SiH40.102C(石墨)/CH4C+4H++4e-=CH40.1316CuCl(+1)/Cu CuCl+e-=Cu+Cl-0.137Hg2Br2(+1)/Hg Hg2Br2+2e-=2Hg+2Br-0.13923S/H2S(aq)S+2H++2e-=H2S(aq)0.142水溶液Sn4+/Sn2+Sn4++2e-=Sn2+0.151Cu2+/Cu+Cu2++e-=Cu+0.153S6+/S4+SO42-+4H++2e-=H2SO3+H2O0.172AgCl(+1)/Ag AgCl+e-=Ag+Cl-0.2223As3+/As(亚砷酸)HAsO2(aq)+3H++3e-=As+2H2O0.2476HAsO2.H2O Hg2Cl2/Hg Hg2Cl2+2e-=2Hg+2Cl-0.268Bi3+/Bi Bi3++3e-=Bi0.308Cu2+/Cu Cu2++2e-=Cu0.337AgIO3/Ag AgIO3+e-=Ag+IO3-0.354S6+/S SO42-+8H++6e-=S+4H2O0.3572Ag2CrO4/Ag Ag2CrO4+2e-=2Ag+CrO42-0.447铬酸银S4+/S H2SO3+4H++4e-=S+3H2O0.449Ag2C2O4/Ag Ag2C2O4+2e-=2Ag+C2O42-0.4647草酸银Cu+/Cu Cu++e-=Cu0.521I2/I-I2+2e-=2I-0.5355AgBrO3/Ag AgBrO3+e-=Ag+BrO3-0.546As5+/As3+H3AsO4(aq)+2H++2e-=HAsO2+2H2O0.56水溶液AgNO2/Ag AgNO2+e-=Ag+NO2-0.564Te4+/Te TeO2+4H++4e-=Te+2H2O0.593Hg2SO4/Hg Hg2SO4+2e-=2Hg+SO42-0.614Ag2SO4/Ag Ag2SO4+2e-=2Ag+SO42-0.654Pt4+(氯铂酸)/Pt2+[PtCl6]2-+2e-=[PtCl4]2-+2Cl-0.68O2/O-O2+2H++2e-=H2O20.695Pt2+/Pt(二氯化铂)[PtCl4]2-+2e-=Pt+4Cl-0.73Se4+/Se H2SeO3+4H++4e-=Se+3H2O0.74Fe3+/Fe2+Fe3++e-=Fe2+0.771AgF/Ag AgF+e-=Ag+F-0.779Hg+/Hg Hg22++2e-=2Hg0.788Ag+/Ag Ag++e-=Ag0.7991N5+/N4+(硝酸)2NO3-+4H++2e-=N2O4(g)+2H2O0.803气体(g) Hg2+/Hg Hg2++2e-=Hg(lq)0.853液态(水银) Si4+(石英)/Si SiO2+4H++4e-=Si+2H2O0.857Hg2+/Hg+2Hg2++2e-=Hg22+0.92N5+/N3+(亚硝酸)NO3-+3H++2e-=HNO2+H2O0.934Pd2+/Pd Pd2++2e-=Pd0.951N5+/N2+NO3-+4H++3e-=NO+2H2O0.957Au3+/Au(三溴化金)AuBr2-+e-=Au+2Br-0.959N3+/2+HNO2+H++e-=NO+H2O0.983Au3+/Au(三氯化金)[AuCl4]-+3e-=Au+4Cl- 1.002Te6+/Te4+H6TeO6+2H++2e-=TeO2+4H2O 1.02N4+/N2+N2O4+4H++4e-=2NO+2H2O 1.03Pt4+/Pt PtO2+4H++4e-=Pt+2H2O 1.045Br2(lq)/Br-Br2(lq)+2e-=2Br- 1.0652液溴(lq)N4+/N3+N2O4+2H++2e-=2HNO2 1.07Br2(aq)/Br-Br2(aq)+2e-=2Br- 1.087水溶液(aq) Se6+/Se4+SeO42-+4H++2e-=H2SeO3+H2O 1.151Cl5+/Cl4+ClO3-+2H++e-=ClO2+H2O 1.152O2/H2O(g)O2+4H++4e-=2H2O(g) 1.185水蒸汽(g) Pt2+/Pt Pt2++2e-=Pt 1.188Cl7+/Cl5+ClO4-+2H++2e-=ClO3-+H2O 1.189I5+/I22IO3-+12H++10e-=I2(s)+6H2O 1.195碘单质(s) Cl5+/Cl3+ClO3-+3H++2e-=HClO2+H2O 1.21Mn4+/Mn2+MnO2+4H++2e-=Mn2++2H2O 1.224O2/H2O(液态水)O2+4H++4e-=2H2O 1.229常温水S+(S2Cl2)/S S2Cl2+2e-=2S+2Cl- 1.23Fe3O4/Fe2+Fe3O4+8H++2e-=3Fe2++4H2O 1.23Tl3+/Tl+T13++2e-=Tl+ 1.25注4Cl4+/Cl3+ClO2+H++e-=HClO2 1.277N3+/N+2HNO2(aq)+4H++4e-=N2O(g)+3H2O 1.297Cr6+/Cr3+Cr2O72-+14H++6e-=2Cr3++7H2O 1.33重铬酸根Br+/Br-HBrO+H++2e-=Br-+H2O 1.331Cr6+/Cr3+HCrO4-+7H++3e-=Cr3++4H2O 1.35铬酸根Cl2/Cl-Cl2(g)+2e-=2Cl- 1.358(g)氯气Au2O3(+3)/Au Au2O3+6H++6e-=2Au+3H2O 1.36Cl7+/Cl-ClO4-+8H++8e-=Cl-+4H2O 1.388Cl7+/Cl2ClO4-+8H++7e-=1/2Cl2+4H2O 1.392Au3+/Au+Au3++2e-=Au+ 1.41Br5+/Br-BrO3-+6H++6e-=Br-+3H2O 1.424I+/I22HIO+2H++2e-=I2+2H2O 1.439Cl5+/Cl-ClO3-+6H++6e-=Cl-+3H2O 1.451Pb4+/Pb2+PbO2+4H++2e-=Pb2++2H2O 1.455Cl5+/Cl2ClO3-+6H++5e-=1/2Cl2+3H2O 1.47CrO2(+4)/Cr3+CrO2+4H++e-=Cr3++2H2O 1.48二氧化铬Cl+/Cl-HClO+H++2e-=Cl-+H2O 1.482Au3+/Au Au3++3e-=Au 1.498Mn7+/Mn2+MnO4-+8H++5e-=Mn2++4H2O 1.507Cl4+/Cl-ClO2+4H++5e-=Cl-+2H2O 1.511Br5+/Br2BrO3-+6H++5e-=l/2Br2+3H2O 1.52Mn3+/Mn2+Mn3++e-=Mn2+ 1.5415注5Cl3+/Cl-HClO2+3H++4e-=Cl-+2H2O 1.57N2+/N+2NO+2H++2e-=N2O+H2O 1.59Br+/Br2HBrO+H++e-=l/2Br2(aq)+H2O 1.595I7+/I5+H5IO6+H++2e-=IO3-+3H2O 1.603注6Cl+/Cl2HClO+H++e-=1/2Cl2+H2O 1.611Cl3+/Cl2HClO2+3H++2e-=1/2Cl2+2H2O 1.628Cl3+/Cl+HClO2+2H++2e-=HClO+H2O 1.645Ni4+/Ni2+NiO2+4H++2e-=Ni2++2H2O 1.678Mn7+/Mn4+MnO4-+4H++3e-=MnO2+2H2O 1.68注7Pb4+/Pb2+PbO2+SO42-+4H++2e-=PbSO4+2H2O 1.69Au+/Au Au++e-=Au 1.691Ce4+/Ce3+Ce4++e-=Ce3+ 1.74注8Br7+/Br5+BrO4-+2H++2e-=BrO3-+H2O 1.763注9N+/N2N2O+2H++2e-=N2+H2O 1.766O-(H2O2)/O2-(H2O)H2O2+2H++2e-=2H2O 1.776NiO42-/NiO2NiO42-+4H++2e-=NiO2+2H2O 1.8Co3+/Co2+Co3++e-=Co2+ 1.808Co3+/Co2+Co3++e-=Co2+ 1.83稀硫酸中Co3+/Co2+Co3++e-=Co2+ 1.92稀高氯酸Ag2+/Ag+Ag2++e-=Ag+ 1.93稀硝酸Ag2+/Ag+Ag2++e-=Ag+ 1.98稀硫酸Ag2+/Ag+Ag2++e-=Ag+ 2.0稀高氯酸S2O82-/SO42-S2O82-+2e-=2SO42- 2.01Bi5+/Bi3+BiO3-+2H++2e-=Bi3++H2O 2.03铋酸盐O3/O2-O3+2H++2e-=O2+H2O 2.076XeO3/Xe XeO3+6H++6e-=Xe+3H2O 2.1最全最实用电极电势表由xsm18倾情制作,转载请注明来源:/xsm18/home注释1:碱族和从钙开始的碱土元素均和水发生反应,其电极电势数值为理论计算值注释2:铈元素(Ce)属于镧系元素,有稳定的+3,+4价,+3价有很强的还原性,+4有很强的氧化性,该元素有很好的代表性。

标准电极电势

标准电极电势

EΘ/V
-3.045 -2.925 -2.924 -2.923 -2.90 -2.87 -2.714 -2.375 -2.07 -1.66 -1.182 -0.763 -0.74 -0.69 -0.49 -0.48 -0.44 -0.277 -0.246 -0.152 -0.136 -0.126 -0.036 -0.02
标准电极电势表(298.15K)
(一)在酸性溶液中
电对
Li+/Li Rb+/Rb K+/K Cs+/Cs Ba2+/Ba Ca2+/Ca Na+/Na Mg2+/Mg [AlF6]3-/Al Al3+/Al Mn2+/Mn Zn2+/Zn Cr3+/Cr
Ag2S/Ag
CO2/H2C2O4 S/S2- Fe2+/Fe Co2+/Co Ni2+/Ni
AgI/Ag Sn2+/Sn Pb2+/Pb Fe3+/Fe
AgCN/Ag H+/H2
AgBr/Ag S4O62-/S2O32- S/H2S Sn4+/Sn2+ Cu2+/Cu+ SO42-/SO2
AgCl/Ag
Hg2Cl2/Hg Cu2+/Cu [Fe(CN)6]3 - /[Fe(CN)6)]4

EΘ/V
-3.02 -2.69 -2.35 -1.56 -1.405 -1.26 -1.216 -1.21 -1.04 -0.909 -0.8277 -0.67 -0.66 -0.66 -0.56 -0.447 -0.224 -0.09 -0.076 -0.05 +0.01 +0.09 +0.1 +0.26 +0.33 +0.373 +0.401 +0.49 +0.54 +0.56 +0.564 +0.588 +0.61 +0.62 +0.76 +0.88 +0.90 +1.24

最新最全最实用电极电势表

最新最全最实用电极电势表

标准电极电势表环境:摄氏25度,1标准大气压,离子浓度1摩尔/升,采用氢电极最全最实用电极电势表由xsm18倾情制作,转载请注明来源:/xsm18/homePbSO4(+2)/Pb PbSO4+2e-=Pb+SO42--0.3588PbBr2(+2)/Pb PbBr2+2e-=Pb+2Br--0.284Co2+/Co Co2++2e-=Co-0.28H3PO4/H3PO3H3PO4+2H++2e-=H3PO3+H2O-0.276PbCl2(+2)/Pb PbI2+2e-=Pb+2I--0.2675Ni2+/Ni Ni2++2e-=Ni-0.257CO2/HCOOH(甲酸)CO2(g)+2H++2e-=HCOOH(aq)-0.199CuI(+1)/Cu CuI+e-=Cu+I-0.1852AgI(+1)/Ag AgI+e-=Ag+I-0.15224Sn2+/Sn Sn2++2e-=Sn-0.1375Pb2+/Pb Pb2++2e-=Pb-0.1262C4+/C2+CO2(g)+2H++2e-=CO+H2O-0.12P/PH3P(白磷)+3H++3e-=PH3(g)-0.063气体(g)Hg2I2(+1)/Hg Hg2I2+2e-=2Hg+2I--0.0405Fe3+/Fe Fe3++3e-=Fe-0.037Ag2S(+1)/Ag Ag2S+2H++2e-=2Ag+H2S-0.0366H+/H22H++2e-=H20.00CuBr(+1)/Cu CuBr+e-=Cu+Br-0.033AgBr(+1)/Ag AgBr+e-=Ag+Br-0.07133Si/SiH4Si+4H++4e-=SiH40.102C(石墨)/CH4C+4H++4e-=CH40.1316CuCl(+1)/Cu CuCl+e-=Cu+Cl-0.137Hg2Br2(+1)/Hg Hg2Br2+2e-=2Hg+2Br-0.13923S/H2S(aq)S+2H++2e-=H2S(aq)0.142水溶液Sn4+/Sn2+Sn4++2e-=Sn2+0.151Cu2+/Cu+Cu2++e-=Cu+0.153S6+/S4+SO42-+4H++2e-=H2SO3+H2O0.172AgCl(+1)/Ag AgCl+e-=Ag+Cl-0.2223As3+/As(亚砷酸)HAsO2(aq)+3H++3e-=As+2H2O0.2476HAsO2.H2O Hg2Cl2/Hg Hg2Cl2+2e-=2Hg+2Cl-0.268Bi3+/Bi Bi3++3e-=Bi0.308Cu2+/Cu Cu2++2e-=Cu0.337AgIO3/Ag AgIO3+e-=Ag+IO3-0.354S6+/S SO42-+8H++6e-=S+4H2O0.3572Ag2CrO4/Ag Ag2CrO4+2e-=2Ag+CrO42-0.447铬酸银S4+/S H2SO3+4H++4e-=S+3H2O0.449Ag2C2O4/Ag Ag2C2O4+2e-=2Ag+C2O42-0.4647草酸银Cu+/Cu Cu++e-=Cu0.521I2/I-I2+2e-=2I-0.5355AgBrO3/Ag AgBrO3+e-=Ag+BrO3-0.546As5+/As3+H3AsO4(aq)+2H++2e-=HAsO2+2H2O0.56水溶液AgNO2/Ag AgNO2+e-=Ag+NO2-0.564Te4+/Te TeO2+4H++4e-=Te+2H2O0.593Hg2SO4/Hg Hg2SO4+2e-=2Hg+SO42-0.614Ag2SO4/Ag Ag2SO4+2e-=2Ag+SO42-0.654Pt4+(氯铂酸)/Pt2+[PtCl6]2-+2e-=[PtCl4]2-+2Cl-0.68O2/O-O2+2H++2e-=H2O20.695Pt2+/Pt(二氯化铂)[PtCl4]2-+2e-=Pt+4Cl-0.73Se4+/Se H2SeO3+4H++4e-=Se+3H2O0.74Fe3+/Fe2+Fe3++e-=Fe2+0.771AgF/Ag AgF+e-=Ag+F-0.779Hg+/Hg Hg22++2e-=2Hg0.788Ag+/Ag Ag++e-=Ag0.7991N5+/N4+(硝酸)2NO3-+4H++2e-=N2O4(g)+2H2O0.803气体(g) Hg2+/Hg Hg2++2e-=Hg(lq)0.853液态(水银) Si4+(石英)/Si SiO2+4H++4e-=Si+2H2O0.857Hg2+/Hg+2Hg2++2e-=Hg22+0.92N5+/N3+(亚硝酸)NO3-+3H++2e-=HNO2+H2O0.934Pd2+/Pd Pd2++2e-=Pd0.951N5+/N2+NO3-+4H++3e-=NO+2H2O0.957Au3+/Au(三溴化金)AuBr2-+e-=Au+2Br-0.959N3+/2+HNO2+H++e-=NO+H2O0.983Au3+/Au(三氯化金)[AuCl4]-+3e-=Au+4Cl- 1.002Te6+/Te4+H6TeO6+2H++2e-=TeO2+4H2O 1.02N4+/N2+N2O4+4H++4e-=2NO+2H2O 1.03Pt4+/Pt PtO2+4H++4e-=Pt+2H2O 1.045Br2(lq)/Br-Br2(lq)+2e-=2Br- 1.0652液溴(lq)N4+/N3+N2O4+2H++2e-=2HNO2 1.07Br2(aq)/Br-Br2(aq)+2e-=2Br- 1.087水溶液(aq) Se6+/Se4+SeO42-+4H++2e-=H2SeO3+H2O 1.151Cl5+/Cl4+ClO3-+2H++e-=ClO2+H2O 1.152O2/H2O(g)O2+4H++4e-=2H2O(g) 1.185水蒸汽(g) Pt2+/Pt Pt2++2e-=Pt 1.188Cl7+/Cl5+ClO4-+2H++2e-=ClO3-+H2O 1.189I5+/I22IO3-+12H++10e-=I2(s)+6H2O 1.195碘单质(s) Cl5+/Cl3+ClO3-+3H++2e-=HClO2+H2O 1.21Mn4+/Mn2+MnO2+4H++2e-=Mn2++2H2O 1.224O2/H2O(液态水)O2+4H++4e-=2H2O 1.229常温水S+(S2Cl2)/S S2Cl2+2e-=2S+2Cl- 1.23Fe3O4/Fe2+Fe3O4+8H++2e-=3Fe2++4H2O 1.23Tl3+/Tl+T13++2e-=Tl+ 1.25注4Cl4+/Cl3+ClO2+H++e-=HClO2 1.277N3+/N+2HNO2(aq)+4H++4e-=N2O(g)+3H2O 1.297Cr6+/Cr3+Cr2O72-+14H++6e-=2Cr3++7H2O 1.33重铬酸根Br+/Br-HBrO+H++2e-=Br-+H2O 1.331Cr6+/Cr3+HCrO4-+7H++3e-=Cr3++4H2O 1.35铬酸根Cl2/Cl-Cl2(g)+2e-=2Cl- 1.358(g)氯气Au2O3(+3)/Au Au2O3+6H++6e-=2Au+3H2O 1.36Cl7+/Cl-ClO4-+8H++8e-=Cl-+4H2O 1.388Cl7+/Cl2ClO4-+8H++7e-=1/2Cl2+4H2O 1.392Au3+/Au+Au3++2e-=Au+ 1.41Br5+/Br-BrO3-+6H++6e-=Br-+3H2O 1.424I+/I22HIO+2H++2e-=I2+2H2O 1.439Cl5+/Cl-ClO3-+6H++6e-=Cl-+3H2O 1.451Pb4+/Pb2+PbO2+4H++2e-=Pb2++2H2O 1.455Cl5+/Cl2ClO3-+6H++5e-=1/2Cl2+3H2O 1.47CrO2(+4)/Cr3+CrO2+4H++e-=Cr3++2H2O 1.48二氧化铬Cl+/Cl-HClO+H++2e-=Cl-+H2O 1.482Au3+/Au Au3++3e-=Au 1.498Mn7+/Mn2+MnO4-+8H++5e-=Mn2++4H2O 1.507Cl4+/Cl-ClO2+4H++5e-=Cl-+2H2O 1.511Br5+/Br2BrO3-+6H++5e-=l/2Br2+3H2O 1.52Mn3+/Mn2+Mn3++e-=Mn2+ 1.5415注5Cl3+/Cl-HClO2+3H++4e-=Cl-+2H2O 1.57N2+/N+2NO+2H++2e-=N2O+H2O 1.59Br+/Br2HBrO+H++e-=l/2Br2(aq)+H2O 1.595I7+/I5+H5IO6+H++2e-=IO3-+3H2O 1.603注6Cl+/Cl2HClO+H++e-=1/2Cl2+H2O 1.611Cl3+/Cl2HClO2+3H++2e-=1/2Cl2+2H2O 1.628Cl3+/Cl+HClO2+2H++2e-=HClO+H2O 1.645Ni4+/Ni2+NiO2+4H++2e-=Ni2++2H2O 1.678Mn7+/Mn4+MnO4-+4H++3e-=MnO2+2H2O 1.68注7Pb4+/Pb2+PbO2+SO42-+4H++2e-=PbSO4+2H2O 1.69Au+/Au Au++e-=Au 1.691Ce4+/Ce3+Ce4++e-=Ce3+ 1.74注8Br7+/Br5+BrO4-+2H++2e-=BrO3-+H2O 1.763注9N+/N2N2O+2H++2e-=N2+H2O 1.766O-(H2O2)/O2-(H2O)H2O2+2H++2e-=2H2O 1.776NiO42-/NiO2NiO42-+4H++2e-=NiO2+2H2O 1.8Co3+/Co2+Co3++e-=Co2+ 1.808Co3+/Co2+Co3++e-=Co2+ 1.83稀硫酸中Co3+/Co2+Co3++e-=Co2+ 1.92稀高氯酸Ag2+/Ag+Ag2++e-=Ag+ 1.93稀硝酸Ag2+/Ag+Ag2++e-=Ag+ 1.98稀硫酸Ag2+/Ag+Ag2++e-=Ag+ 2.0稀高氯酸S2O82-/SO42-S2O82-+2e-=2SO42- 2.01Bi5+/Bi3+BiO3-+2H++2e-=Bi3++H2O 2.03铋酸盐O3/O2-O3+2H++2e-=O2+H2O 2.076XeO3/Xe XeO3+6H++6e-=Xe+3H2O 2.1最全最实用电极电势表由xsm18倾情制作,转载请注明来源:/xsm18/home注释1:碱族和从钙开始的碱土元素均和水发生反应,其电极电势数值为理论计算值注释2:铈元素(Ce)属于镧系元素,有稳定的+3,+4价,+3价有很强的还原性,+4有很强的氧化性,该元素有很好的代表性。

最全最实用的电极电势表

最全最实用的电极电势表

最全最实用的电极电势表新年快到了想写一篇化学方面的文章作为总结吧,但是要查很多资料,事情也多,拖到现在。

其实这个电极电势,标准电极电势表,我读化学的时候就比较感兴趣,因为可以用它来判断元素和化合物在标准状况下氧化性,还原性的强弱,当时有些地方是不懂的,比如g,s都是什么意思,那个氟的标准电极电势是怎么来的,老师没有多讲,只是让我们记住常用的氧化剂,还原剂的电极电势数值就行了。

电极电势表,许多化学书,包括网上,有很多的,当然数据来源不同,数值有差别也是正常的,不能说谁对谁错。

我自己动手做个电极电势表,我的目的是实用,元素周期表118个元素,化合物更是成千上万,我们不可能一个一个去记住,知道常见的即可;有些数据化学家那里也是没有的。

另外既然标题有这个“最”字,就要满足学生,以及化学爱好者的愿望,比如目前最强的氧化剂是什么,最强的还原剂是什么,最实用的氧化剂是什么,等等;对于有异议的给予说明。

我列出的电极电势表将去除不常用的氧化剂和还原剂;对于零度以下不能存在的不在列出,比如二氟化二氧,虽然它在零下100度就有极强的氧化能力,如:在零下100度将钚迅速氧化到+6价,而氟,三氟化氯常温,甚至加热也不能将钚氧化到+6价氟只能将钚氧化到+4价,+6价需要700摄氏度,用强紫外线照射才能发生反应;将氙氧化到+6价,氟需要加压加热。

但它在零下95度就会显著分解,零下57度迅速分解完。

大家只要知道它即使在极低温下氧化性也比氟强即可关于自由基,只列出羟基自由基OH-,其他象OF,XeF,KrF自由基,这些都属于很少见,瞬间存在的东西,这几个自由基的氧化性以KrF最强,XeF最弱,我看到有些化学书籍上说XeF自由基的电极电势数值为3.4,这个数值应该是估计值,XeF 在普通条件下是不存在的,只是在加热或者强光照射合成二氟化氙,四氟化氙,六氟化氙的时候瞬间存在。

羟基自由基这个是常见的自由基,水溶液里就有。

如果把XeF列上,那么氦离子也可以列上。

标准电极电势表

标准电极电势表
MnO2+4H++2e-=Mn2++2H2O
S2O +2e-=2SO
Mn +e-=MO
Mn +4H++3e-=MnO2+2H2O
2H2SO3+H++2e-=H2SO4-+2H20
Mn +8H++5e-=Mn2++4H2O
H2SO3+4H++4e-=S+3H2O
MO3++3e-=MO
电极反应
E/V
Te4++4e-=Te
V3++e-=V2+
TeO2+4H++4e-=Te+2H2O
VO2++2H++e-=V3++H2O
Te +8H++7e-=Te+4H2O
VO +2H++e-=VO2++H2O
H6TeO6+2H++2e-=TeO2+4 H2O
V(OH) +2H++e-=VO2++3H2O
3
F2+2e-=2F-
Br2(l)+2e-=2Br-
Fe2++2e-=Fe
HBrO+H++2e-=Br-+H2O
Fe3++3e-=Fe
HBrO+H++e-=l/2Br2(aq)+H2O
Fe3++e-=Fe2+
HBrO+H++e-=l/2Br2(l)+H2O
[Fe(CN)6]3-+e-=[Fe(CN)6]4-
Sb2O5+6H++4e-=2SbO++3H2O
N2O4+2H++2e-=2HNO2
SbO++2H++3e-=Sb+H2O
N2O4+4H++4e-=2NO+2H2O
Sc3++3e-=Sc
2NO+2H++2e-=N2O+H2O
Se+2H++2e-=H2Se(aq)
HNO2+H++e-=NO+H2O

最全的标准电极电势(无表格版)

最全的标准电极电势(无表格版)

资料范本本资料为word版本,可以直接编辑和打印,感谢您的下载最全的标准电极电势(无表格版)地点:__________________时间:__________________说明:本资料适用于约定双方经过谈判,协商而共同承认,共同遵守的责任与义务,仅供参考,文档可直接下载或修改,不需要的部分可直接删除,使用时请详细阅读内容-- 标准 --标准电极电势表-- 1 在酸性溶液中 (298K)电对方程式E/VLi(I)-(0) Li++e-=Li -3.0401Cs(I)-(0) Cs++e-=Cs -3.026Rb(I)-(0) Rb++e-=Rb -2.98K(I)-(0) K++e-=K -2.931Ba(II)-(0) Ba2++2e-=Ba -2.912Sr(II)-(0) Sr2++2e-=Sr -2.89Ca(II)-(0) Ca2++2e-=Ca -2.868Na(I)-(0) Na++e-=Na -2.71La(III)-(0) La3++3e-=La -2.379Mg(II)-(0) Mg2++2e-=Mg -2.372Ce(III)-(0) Ce3++3e-=Ce -2.336H(0)-(-I) H2(g)+2e-=2H--2.23Al(III)-(0) AlF63-+3e-=Al+6F--2.069Th(IV)-(0) Th4++4e-=Th -1.899Be(II)-(0) Be2++2e-=Be -1.847U(III)-(0) U3++3e-=U -1.798Hf(IV)-(0) HfO2++2H++4e-=Hf+H2O -1.724Al(III)-(0) Al3++3e-=Al -1.662Ti(II)-(0) Ti2++2e-=Ti -1.630Zr(IV)-(0) ZrO2+4H++4e-=Zr+2H2O -1.553Si(IV)-(0) [SiF6]2-+4e-=Si+6F--1.24Cr(II)-(0) Cr2++2e-=Cr -0.913Ti(III)-(II) Ti3++e-=Ti2+-0.9B(III)-(0) H3BO3+3H++3e-=B+3H2O -0.8698*Ti(IV)-(0) TiO2+4H++4e-=Ti+2H2O -0.86Te(0)-(-II) Te+2H++2e-=H2Te -0.793Zn(II)-(0) Zn2++2e-=Zn -0.7618Ta(V)-(0) Ta2O5+10H++10e-=2Ta+5H2O -0.750 Cr(III)-(0) Cr3++3e-=Cr -0.744Nb(V)-(0) Nb2O5+l0H++10e-=2Nb+5H2O -0.644 As(0)-(-III) As+3H++3e-=AsH3 -0.608U(IV)-(III) U4++e-=U3+-0.607Ga(III)-(0) Ga3++3e-=Ga -0.549P(I)-(0) H3PO2+H++e-=P+2H2O -0.508P(III)-(I) H3PO3+2H++2e-=H3PO2+H2O -0.499*C(IV)-(III) 2CO2+2H++2e-=H2C2O4 -0.49Fe(II)-(0) Fe2++2e-=Fe -0.447Cr(III)-(II) Cr3++e-=Cr2+-0.407Cd(II)-(0) Cd2++2e-=Cd -0.4030Se(0)-(-II) Se+2H++2e-=H2Se(aq) -0.399Pb(II)-(0) PbI2+2e-=Pb+2I--0.365Eu(III)-(II) Eu3++e-=Eu2+-0.36Pb(II)-(0) PbSO4+2e-=Pb+SO42--0.3588In(III)-(0) In3++3e-=In -0.3382Tl(I)-(0) Tl++e-=Tl -0.336P(V)-(III) H3PO4+2H++2e-=H3PO3+H2O -0.276Pb(II)-(0) PbCl2+2e-=Pb+2Cl--0.2675Ni (II)-(0) Ni2++2e-=Ni -0.257V(III)-(II) V3++e-=V2+-0.255Ge(IV)-(0) H2GeO3+4H++4e-=Ge+3H2O -0.182Ag(I)-(0) AgI+e-=Ag+I--0.15224Sn(II)-(0) Sn2++2e-=Sn -0.1375Pb(II)-(0) Pb2++2e-=Pb -0.1262*C(IV)-(II) CO2(g)+2H++2e-=CO+H2O -0.12P(0)-(-III) P(white)+3H++3e-=PH3(g) -0.063Hg(I)-(0) Hg2I2+2e-=2Hg+2I--0.0405Fe(III)-(0) Fe3++3e-=Fe -0.037H(I)-(0) 2H++2e-=H2 0.0000Ag(I)-(0) AgBr+e-=Ag+Br-0.07133S(II.V)-(II) S4O62-+2e-=2S2O32- 0.08*Ti(IV)-(III) TiO2++2H++e-=Ti3++H2O 0.1S(0)-(-II) S+2H++2e-=H2S(aq) 0.142Sn(IV)-(II) Sn4++2e-=Sn2+0.151Sb(III)-(0) Sb2O3+6H++6e-=2Sb+3H2O 0.152Cu(II)-(I) Cu2++e-=Cu+0.153Bi(III)-(0) BiOCl+2H++3e-=Bi+Cl-+H2O 0.1583 S(VI)-(IV) SO42-+4H++2e-=H2SO3+H2O 0.172 Sb(III)-(0) SbO++2H++3e-=Sb+H2O 0.212Ag(I)-(0) AgCl+e-=Ag+Cl-0.22233Hg(I)-(0) Hg2Cl2+2e-=2Hg+2Cl-(饱和KCl) 0.26808 Bi(III)-(0) BiO++2H++3e-=Bi+H2O 0.320U(VI)-(IV) UO22++4H++2e-=U4++2H2O 0.327 C(IV)-(III) 2HCNO+2H++2e-=(CN)2+2H2O 0.330 V(IV)-(III) VO2++2H++e-=V3++H2O 0.337Cu(II)-(0) Cu2++2e-=Cu 0.3419Re(VII)-(0) ReO4-+8H++7e-=Re+4H2O 0.368Ag(I)-(0) Ag2CrO4+2e-=2Ag+CrO42-0.4470S(IV)-(0) H2SO3+4H++4e-=S+3H2O 0.449Cu(I)-(0) Cu++e-=Cu 0.521I(0)-(-I) I2+2e-=2I-0.5355I(0)-(-I) I3-+2e-=3I-0.536As(V)-(III) H3AsO4+2H++2e-=HAsO2+2H2O 0.560 Sb(V)-(III) Sb2O5+6H++4e-=2SbO++3H2O 0.581 Te(IV)-(0) TeO2+4H++4e-=Te+2H2O 0.593U(V)-(IV) UO2++4H++e-=U4++2H2O 0.612**Hg(II)-(I) 2HgCl2+2e-=Hg2Cl2+2Cl-0.63Pt(IV)-(II) [PtCl6]2-+2e-=[PtCl4]2-+2Cl- 0.68O(0)-(-I) O2+2H++2e-=H2O2 0.695Pt(II)-(0) [PtCl4]2-+2e-=Pt+4Cl-0.755*Se(IV)-(0) H2SeO3+4H++4e-=Se+3H2O 0.74Fe(III)-(II) Fe3++e-=Fe2+ 0.771Hg(I)-(0) Hg22++2e-=2Hg 0.7973Ag(I)-(0) Ag++e-=Ag 0.7996N(V)-(IV) 2NO3-+4H++2e-=N2O4+2H2O 0.803 Hg(II)-(0) Hg2++2e-=Hg 0.851Si(IV)-(0) (quartz)SiO2+4H++4e-=Si+2H2O 0.857 Cu(II)-(I) Cu2++I-+e-=CuI 0.86N(III)-(I) 2HNO2+4H++4e-=H2N2O2+2H2O 0.86 Hg(II)-(I) 2Hg2++2e-=Hg22+0.920N(V)-(III) NO3-+3H++2e-=HNO2+H2O 0.934Pd(II)-(0) Pd2++2e-=Pd 0.951N(V)-(II) NO3-+4H++3e-=NO+2H2O 0.957N(III)-(II) HNO2+H++e-=NO+H2O 0.983I(I)-(-I) HIO+H++2e-=I-+H2O 0.987V(V)-(IV) VO2++2H++e-=VO2++H2O 0.991V(V)-(IV) V(OH)4++2H++e-=VO2++3H2O 1.00 Au(III)-(0) [AuCl4]-+3e-=Au+4Cl- 1.002Te(VI)-(IV) H6TeO6+2H++2e-=TeO2+4H2O 1.02 N(IV)-(II) N2O4+4H++4e-=2NO+2H2O 1.035N(IV)-(III) N2O4+2H++2e-=2HNO2 1.065I(V)-(-I) IO3-+6H++6e-=I-+3H2O 1.085Br(0)-(-I) Br2(aq)+2e-=2Br- 1.0873Se(VI)-(IV) SeO42-+4H++2e-=H2SeO3+H2O 1.151 Cl(V)-(IV) ClO3-+2H++e-=ClO2+H2O 1.152Pt(II)-(0) Pt2++2e-=Pt 1.18Cl(VII)-(V) ClO4-+2H++2e-=ClO3-+H2O 1.189 I(V)-(0) 2IO3-+12H++10e-=I2+6H2O 1.195Cl(V)-(III) ClO3-+3H++2e-=HClO2+H2O 1.214Mn(IV)-(II) MnO2+4H++2e-=Mn2++2H2O 1.224O(0)-(-II) O2+4H++4e-=2H2O 1.229Tl(III)-(I) T13++2e-=Tl+ 1.252Cl(IV)-(III) ClO2+H++e-=HClO2 1.277N(III)-(I) 2HNO2+4H++4e-=N2O+3H2O 1.297**Cr(VI)-(III) Cr2O72-+14H++6e-=2Cr3++7H2O 1.33 Br(I)-(-I) HBrO+H++2e-=Br-+H2O 1.331Cr(VI)-(III) HCrO4-+7H++3e-=Cr3++4H2O 1.350Cl(0)-(-I) Cl2(g)+2e-=2Cl- 1.35827Cl(VII)-(-I) ClO4-+8H++8e-=Cl-+4H2O 1.389 Cl(VII)-(0) ClO4-+8H++7e-=1/2Cl2+4H2O 1.39Au(III)-(I) Au3++2e-=Au+ 1.401Br(V)-(-I) BrO3-+6H++6e-=Br-+3H2O 1.423I(I)-(0) 2HIO+2H++2e-=I2+2H2O 1.439Cl(V)-(-I) ClO3-+6H++6e-=Cl-+3H2O 1.451Pb(IV)-(II) PbO2+4H++2e-=Pb2++2H2O 1.455Cl(V)-(0) ClO3-+6H++5e-=1/2Cl2+3H2O 1.47Cl(I)-(-I) HClO+H++2e-=Cl-+H2O 1.482Br(V)-(0) BrO3-+6H++5e-=l/2Br2+3H2O 1.482Au(III)-(0) Au3++3e-=Au 1.498Mn(VII)-(II) MnO4-+8H++5e-=Mn2++4H2O 1.507Mn(III)-(II) Mn3++e-=Mn2+ 1.5415Cl(III)-(-I) HClO2+3H++4e-=Cl-+2H2O 1.570Br(I)-(0) HBrO+H++e-=l/2Br2(aq)+H2O 1.574N(II)-(I) 2NO+2H++2e-=N2O+H2O 1.591I(VII)-(V) H5IO6+H++2e-=IO3-+3H2O 1.601Cl(I)-(0) HClO+H++e-=1/2Cl2+H2O 1.611Cl(III)-(I) HClO2+2H++2e-=HClO+H2O 1.645Ni(IV)-(II) NiO2+4H++2e-=Ni2++2H2O 1.678Mn(VII)-(IV) MnO4-+4H++3e-=MnO2+2H2O 1.679Pb(IV)-(II) PbO2+SO42-+4H++2e-=PbSO4+2H2O 1.6913 Au(I)-(0) Au++e-=Au 1.692Ce(IV)-(III) Ce4++e-=Ce3+ 1.72N(I)-(0) N2O+2H++2e-=N2+H2O 1.766O(-I)-(-II) H2O2+2H++2e-=2H2O 1.776Co(III)-(II) Co3++e-=Co2+(2mol·L-1 H2SO4) 1.83Ag(II)-(I) Ag2++e-=Ag+ 1.980S(VII)-(VI) S2O82-+2e-=2SO42- 2.010O(0)-(-II) O3+2H++2e-=O2+H2O 2.076O(II)-(-II) F2O+2H++4e-=H2O+2F- 2.153Fe(VI)-(III) FeO42-+8H++3e-=Fe3++4H2O 2.20O(0)-(-II) O(g)+2H++2e-=H2O 2.421F(0)-(-I) F2+2e-=2F- 2.866F2+2H++2e-=2HF 3.0532 在碱性溶液中 (298K)电对方程式E/VCa(II)-(0) Ca(OH)2+2e-=Ca+2OH--3.02Ba(II)-(0) Ba(OH)2+2e-=Ba+2OH--2.99La(III)-(0) La(OH)3+3e-=La+3OH--2.90Sr(II)-(0) Sr(OH)2·8H2O+2e-=Sr+2OH-+8H2O -2.88 Mg(II)-(0) Mg(OH)2+2e-=Mg+2OH--2.690Be(II)-(0) Be2O32-+3H2O+4e-=2Be+6OH--2.63Hf(IV)-(0) HfO(OH)2+H2O+4e-=Hf+4OH--2.50Zr(IV)-(0) H2ZrO3+H2O+4e-=Zr+4OH--2.36Al(III)-(0) H2AlO3-+H2O+3e-=Al+OH--2.33P(I)-(0) H2PO2-+e-=P+2OH--1.82B(III)-(0) H2BO3-+H2O+3e-=B+4OH--1.79P(III)-(0) HPO32-+2H2O+3e-=P+5OH--1.71Si(IV)-(0) SiO32-+3H2O+4e-=Si+6OH--1.697P(III)-(I) HPO32-+2H2O+2e-=H2PO2-+3OH--1.65Mn(II)-(0) Mn(OH)2+2e-=Mn+2OH--1.56Cr(III)-(0) Cr(OH)3+3e-=Cr+3OH--1.48*Zn(II)-(0) [Zn(CN)4]2-+2e-=Zn+4CN--1.26Zn(II)-(0) Zn(OH)2+2e-=Zn+2OH--1.249Ga(III)-(0) H2GaO3-+H2O+2e-=Ga+4OH--1.219Zn(II)-(0) ZnO22-+2H2O+2e-=Zn+4OH--1.215Cr(III)-(0) CrO2-+2H2O+3e-=Cr+4OH--1.2Te(0)-(-I) Te+2e-=Te2--1.143P(V)-(III) PO43-+2H2O+2e-=HPO32-+3OH--1.05*Zn(II)-(0) [Zn(NH3)4]2++2e-=Zn+4NH3 -1.04*W(VI)-(0) WO42-+4H2O+6e-=W+8OH--1.01*Ge(IV)-(0) HGeO3-+2H2O+4e-=Ge+5OH--1.0Sn(IV)-(II) [Sn(OH)6]2-+2e-=HSnO2-+H2O+3OH- -0.93 S(VI)-(IV) SO42-+H2O+2e-=SO32-+2OH--0.93Se(0)-(-II) Se+2e-=Se2--0.924Sn(II)-(0) HSnO2-+H2O+2e-=Sn+3OH--0.909P(0)-(-III) P+3H2O+3e-=PH3(g)+3OH--0.87N(V)-(IV) 2NO3-+2H2O+2e-=N2O4+4OH--0.85H(I)-(0) 2H2O+2e-=H2+2OH--0.8277Cd(II)-(0) Cd(OH)2+2e-=Cd(Hg)+2OH--0.809Co(II)-(0) Co(OH)2+2e-=Co+2OH--0.73Ni(II)-(0) Ni(OH)2+2e-=Ni+2OH--0.72As(V)-(III) AsO43-+2H2O+2e-=AsO2-+4OH--0.71Ag(I)-(0) Ag2S+2e-=2Ag+S2--0.691As(III)-(0) AsO2-+2H2O+3e-=As+4OH--0.68Sb(III)-(0) SbO2-+2H2O+3e-=Sb+4OH--0.66*Re(VII)-(IV) ReO4-+2H2O+3e-=ReO2+4OH--0.59 *Sb(V)-(III) SbO3-+H2O+2e-=SbO2-+2OH--0.59Re(VII)-(0) ReO4-+4H2O+7e-=Re+8OH--0.584*S(IV)-(II) 2SO32-+3H2O+4e-=S2O32-+6OH--0.58Te(IV)-(0) TeO32-+3H2O+4e-=Te+6OH--0.57Fe(III)-(II) Fe(OH)3+e-=Fe(OH)2+OH--0.56S(0)-(-II) S+2e-=S2--0.47627Bi(III)-(0) Bi2O3+3H2O+6e-=2Bi+6OH--0.46N(III)-(II) NO2-+H2O+e-=NO+2OH--0.46*Co(II)-C(0) [Co(NH3)6]2++2e-=Co+6NH3 -0.422Se(IV)-(0) SeO32-+3H2O+4e-=Se+6OH--0.366Cu(I)-(0) Cu2O+H2O+2e-=2Cu+2OH--0.360Tl(I)-(0) Tl(OH)+e-=Tl+OH--0.34*Ag(I)-(0) [Ag(CN)2]-+e-=Ag+2CN--0.31Cu(II)-(0) Cu(OH)2+2e-=Cu+2OH--0.222Cr(VI)-(III) CrO42-+4H2O+3e-=Cr(OH)3+5OH--0.13 *Cu(I)-(0) [Cu(NH3)2]++e-=Cu+2NH3 -0.12O(0)-(-I) O2+H2O+2e-=HO2-+OH--0.076Ag(I)-(0) AgCN+e-=Ag+CN--0.017N(V)-(III) NO3-+H2O+2e-=NO2-+2OH-0.01 Se(VI)-(IV) SeO42-+H2O+2e-=SeO32-+2OH-0.05 Pd(II)-(0) Pd(OH)2+2e-=Pd+2OH-0.07S(II,V)-(II) S4O62-+2e-=2S2O32- 0.08Hg(II)-(0) HgO+H2O+2e-=Hg+2OH-0.0977Co(III)-(II) [Co(NH3)6]3++e-=[Co(NH3)6]2+0.108 Pt(II)-(0) Pt(OH)2+2e-=Pt+2OH-0.14Co(III)-(II) Co(OH)3+e-=Co(OH)2+OH-0.17Pb(IV)-(II) PbO2+H2O+2e-=PbO+2OH-0.247I(V)-(-I) IO3-+3H2O+6e-=I-+6OH- 0.26Cl(V)-(III) ClO3-+H2O+2e-=ClO2-+2OH-0.33 Ag(I)-(0) Ag2O+H2O+2e-=2Ag+2OH-0.342Fe(III)-(II) [Fe(CN)6]3-+e-=[Fe(CN)6]4-0.358 Cl(VII)-(V) ClO4-+H2O+2e-=ClO3-+2OH-0.36 *Ag(I)-(0) [Ag(NH3)2]++e-=Ag+2NH3 0.373O(0)-(-II) O2+2H2O+4e-=4OH-0.401I(I)-(-I) IO-+H2O+2e-=I-+2OH-0.485*Ni(IV)-(II) NiO2+2H2O+2e-=Ni(OH)2+2OH-0.490 Mn(VII)-(VI) MnO4-+e-=MnO42-0.558Mn(VII)-(IV) MnO4-+2H2O+3e-=MnO2+4OH-0.595Mn(VI)-(IV) MnO42-+2H2O+2e-=MnO2+4OH-0.60Ag(II)-(I) 2AgO+H2O+2e-=Ag2O+2OH-0.607Br(V)-(-I) BrO3-+3H2O+6e-=Br-+6OH-0.61Cl(V)-(-I) ClO3-+3H2O+6e-=Cl-+6OH-0.62Cl(III)-(I) ClO2-+H2O+2e-=ClO-+2OH-0.66I(VII)-(V) H3IO62-+2e-=IO3-+3OH-0.7Cl(III)-(-I) ClO2-+2H2O+4e-=Cl-+4OH-0.76Br(I)-(-I) BrO-+H2O+2e-=Br-+2OH- 0.761Cl(I)-(-I) ClO-+H2O+2e-=Cl-+2OH- 0.841*Cl(IV)-(III) ClO2(g)+e-=ClO2-0.95O(0)-(-II) O3+H2O+2e-=O2+2OH- 1.24摘自David R.Lide, Handbook of Chemistry and Physics, 8-25-8-30, 78th. edition, 1997-1998* 摘自J.A. Dean Ed,Lange’s Handbook of Chemistry, 13th. edition, 1985** 摘自其他参考书.。

常用标准电极电势表

常用标准电极电势表

常用标准电极电势表
电极电势是描述电极在特定条件下的电化学活性的重要参数,常用标准电极电
势表则是记录了各种电极在标准状态下的电势数值。

这些数据对于电化学研究和工业生产具有重要意义,可以指导我们在实际操作中选择合适的电极材料,设计合理的电化学反应体系,以及预测电化学反应的进行方向和速率。

在常用标准电极电势表中,最常见的是标准氢电极和标准铜电极。

标准氢电极
的电势被定义为0V,用作电势的基准。

而标准铜电极的电势则是0.34V,它通常
用来作为参比电极来测定其他电极的电势。

此外,常用的还有标准银-氯化银电极、标准铂-氯化铂电极等。

在实际应用中,我们可以根据常用标准电极电势表来选择合适的电极材料。

例如,如果我们需要进行氧化还原反应,可以根据反应条件选择合适的氧化还原电极。

在电化学分析中,我们也可以利用常用标准电极电势表来测定未知物质的还原电位,从而推断其化学性质。

除了在实验室中的应用,常用标准电极电势表也在工业生产中发挥着重要作用。

在电镀、电解等工艺中,我们需要根据反应的需要选择合适的电极材料和电势条件,以确保反应的进行和产物的质量。

总之,常用标准电极电势表是电化学研究和工业生产中不可或缺的重要参考数据。

通过合理利用这些数据,我们可以更好地设计实验方案、选择合适的电极材料,以及优化电化学反应条件,从而推动电化学领域的发展,促进工业生产的进步。

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--标准电极电势表--1 在酸性溶液中(298K)电对方程式E/VLi(I)-(0) Li++e-=Li -3.0401 Cs(I)-(0) Cs++e-=Cs -3.026 Rb(I)-(0) Rb++e-=Rb -2.98 K(I)-(0) K++e-=K -2.931 Ba(II)-(0) Ba2++2e-=Ba -2.912 Sr(II)-(0) Sr2++2e-=Sr -2.89 Ca(II)-(0) Ca2++2e-=Ca -2.868 Na(I)-(0) Na++e-=Na -2.71 La(III)-(0) La3++3e-=La -2.379 Mg(II)-(0) Mg2++2e-=Mg -2.372 Ce(III)-(0) Ce3++3e-=Ce -2.336 H(0)-(-I) H2(g)+2e-=2H--2.23 Al(III)-(0) AlF63-+3e-=Al+6F--2.069 Th(IV)-(0) Th4++4e-=Th -1.899 Be(II)-(0) Be2++2e-=Be -1.847 U(III)-(0) U3++3e-=U -1.798 Hf(IV)-(0) HfO2++2H++4e-=Hf+H2O -1.724 Al(III)-(0) Al3++3e-=Al -1.662 Ti(II)-(0) Ti2++2e-=Ti -1.630Zr(IV)-(0) ZrO2+4H++4e-=Zr+2H2O -1.553 Si(IV)-(0) [SiF6]2-+4e-=Si+6F--1.24 Mn(II)-(0) Mn2++2e-=Mn -1.185 Cr(II)-(0) Cr2++2e-=Cr -0.913 Ti(III)-(II) Ti3++e-=Ti2+-0.9B(III)-(0) H3BO3+3H++3e-=B+3H2O -0.8698 *Ti(IV)-(0) TiO2+4H++4e-=Ti+2H2O -0.86 Te(0)-(-II) Te+2H++2e-=H2Te -0.793 Zn(II)-(0) Zn2++2e-=Zn -0.7618 Ta(V)-(0) Ta2O5+10H++10e-=2Ta+5H2O -0.750 Cr(III)-(0) Cr3++3e-=Cr -0.744 Nb(V)-(0) Nb2O5+l0H++10e-=2Nb+5H2O -0.644 As(0)-(-III) As+3H++3e-=AsH3-0.608 U(IV)-(III) U4++e-=U3+-0.607 Ga(III)-(0) Ga3++3e-=Ga -0.549 P(I)-(0) H3PO2+H++e-=P+2H2O -0.508 P(III)-(I) H3PO3+2H++2e-=H3PO2+H2O -0.499 *C(IV)-(III) 2CO2+2H++2e-=H2C2O4-0.49 Fe(II)-(0) Fe2++2e-=Fe -0.447 Cr(III)-(II) Cr3++e-=Cr2+-0.407 Cd(II)-(0) Cd2++2e-=Cd -0.4030 Se(0)-(-II) Se+2H++2e-=H2Se(aq) -0.399Pb(II)-(0) PbI2+2e-=Pb+2I--0.365 Eu(III)-(II) Eu3++e-=Eu2+-0.36 Pb(II)-(0) PbSO4+2e-=Pb+SO42--0.3588 In(III)-(0) In3++3e-=In -0.3382 Tl(I)-(0) Tl++e-=Tl -0.336 Co(II)-(0) Co2++2e-=Co -0.28P(V)-(III) H3PO4+2H++2e-=H3PO3+H2O -0.276 Pb(II)-(0) PbCl2+2e-=Pb+2Cl--0.2675 Ni (II)-(0) Ni2++2e-=Ni -0.257 V(III)-(II) V3++e-=V2+-0.255 Ge(IV)-(0) H2GeO3+4H++4e-=Ge+3H2O -0.182 Ag(I)-(0) AgI+e-=Ag+I--0.15224 Sn(II)-(0) Sn2++2e-=Sn -0.1375 Pb(II)-(0) Pb2++2e-=Pb -0.1262 *C(IV)-(II) CO2(g)+2H++2e-=CO+H2O -0.12P(0)-(-III) P(white)+3H++3e-=PH3(g) -0.063 Hg(I)-(0) Hg2I2+2e-=2Hg+2I--0.0405 Fe(III)-(0) Fe3++3e-=Fe -0.037 H(I)-(0) 2H++2e-=H20.0000 Ag(I)-(0) AgBr+e-=Ag+Br-0.07133 S(II.V)-(II) S4O62-+2e-=2S2O32-0.08*Ti(IV)-(III) TiO2++2H++e-=Ti3++H2O 0.1S(0)-(-II) S+2H++2e-=H2S(aq) 0.142 Sn(IV)-(II) Sn4++2e-=Sn2+0.151 Sb(III)-(0) Sb2O3+6H++6e-=2Sb+3H2O 0.152 Cu(II)-(I) Cu2++e-=Cu+0.153 Bi(III)-(0) BiOCl+2H++3e-=Bi+Cl-+H2O 0.1583 S(VI)-(IV) SO42-+4H++2e-=H2SO3+H2O 0.172 Sb(III)-(0) SbO++2H++3e-=Sb+H2O 0.212 Ag(I)-(0) AgCl+e-=Ag+Cl-0.22233 As(III)-(0) HAsO2+3H++3e-=As+2H2O 0.248 Hg(I)-(0) Hg2Cl2+2e-=2Hg+2Cl-(饱和KCl) 0.26808 Bi(III)-(0) BiO++2H++3e-=Bi+H2O 0.320 U(VI)-(IV) UO22++4H++2e-=U4++2H2O 0.327 C(IV)-(III) 2HCNO+2H++2e-=(CN)2+2H2O 0.330 V(IV)-(III) VO2++2H++e-=V3++H2O 0.337 Cu(II)-(0) Cu2++2e-=Cu 0.3419 Re(VII)-(0) ReO4-+8H++7e-=Re+4H2O 0.368 Ag(I)-(0) Ag2CrO4+2e-=2Ag+CrO42-0.4470 S(IV)-(0) H2SO3+4H++4e-=S+3H2O 0.449 Cu(I)-(0) Cu++e-=Cu 0.521 I(0)-(-I) I2+2e-=2I-0.5355 I(0)-(-I) I3-+2e-=3I-0.536 As(V)-(III) H3AsO4+2H++2e-=HAsO2+2H2O 0.560Sb(V)-(III) Sb2O5+6H++4e-=2SbO++3H2O 0.581 Te(IV)-(0) TeO2+4H++4e-=Te+2H2O 0.593 U(V)-(IV) UO2++4H++e-=U4++2H2O 0.612 **Hg(II)-(I) 2HgCl2+2e-=Hg2Cl2+2Cl-0.63 Pt(IV)-(II) [PtCl6]2-+2e-=[PtCl4]2-+2Cl-0.68 O(0)-(-I) O2+2H++2e-=H2O20.695 Pt(II)-(0) [PtCl4]2-+2e-=Pt+4Cl-0.755 *Se(IV)-(0) H2SeO3+4H++4e-=Se+3H2O 0.74 Fe(III)-(II) Fe3++e-=Fe2+0.771 Hg(I)-(0) Hg22++2e-=2Hg 0.7973 Ag(I)-(0) Ag++e-=Ag 0.7996 Os(VIII)-(0) OsO4+8H++8e-=Os+4H2O 0.8N(V)-(IV) 2NO3-+4H++2e-=N2O4+2H2O 0.803 Hg(II)-(0) Hg2++2e-=Hg 0.851 Si(IV)-(0) (quartz)SiO2+4H++4e-=Si+2H2O 0.857 Cu(II)-(I) Cu2++I-+e-=CuI 0.86 N(III)-(I) 2HNO2+4H++4e-=H2N2O2+2H2O 0.86 Hg(II)-(I) 2Hg2++2e-=Hg22+0.920 N(V)-(III) NO3-+3H++2e-=HNO2+H2O 0.934 Pd(II)-(0) Pd2++2e-=Pd 0.951 N(V)-(II) NO3-+4H++3e-=NO+2H2O 0.957 N(III)-(II) HNO2+H++e-=NO+H2O 0.983I(I)-(-I) HIO+H++2e-=I-+H2O 0.987 V(V)-(IV) VO2++2H++e-=VO2++H2O 0.991 V(V)-(IV) V(OH)4++2H++e-=VO2++3H2O 1.00 Au(III)-(0) [AuCl4]-+3e-=Au+4Cl- 1.002 Te(VI)-(IV) H6TeO6+2H++2e-=TeO2+4H2O 1.02 N(IV)-(II) N2O4+4H++4e-=2NO+2H2O 1.035 N(IV)-(III) N2O4+2H++2e-=2HNO2 1.065 I(V)-(-I) IO3-+6H++6e-=I-+3H2O 1.085 Br(0)-(-I) Br2(aq)+2e-=2Br- 1.0873 Se(VI)-(IV) SeO42-+4H++2e-=H2SeO3+H2O 1.151 Cl(V)-(IV) ClO3-+2H++e-=ClO2+H2O 1.152 Pt(II)-(0) Pt2++2e-=Pt 1.18 Cl(VII)-(V) ClO4-+2H++2e-=ClO3-+H2O 1.189 I(V)-(0) 2IO3-+12H++10e-=I2+6H2O 1.195 Cl(V)-(III) ClO3-+3H++2e-=HClO2+H2O 1.214 Mn(IV)-(II) MnO2+4H++2e-=Mn2++2H2O 1.224 O(0)-(-II) O2+4H++4e-=2H2O 1.229 Tl(III)-(I) T13++2e-=Tl+ 1.252 Cl(IV)-(III) ClO2+H++e-=HClO2 1.277 N(III)-(I) 2HNO2+4H++4e-=N2O+3H2O 1.297 **Cr(VI)-(III) Cr2O72-+14H++6e-=2Cr3++7H2O 1.33 Br(I)-(-I) HBrO+H++2e-=Br-+H2O 1.331Cr(VI)-(III) HCrO4-+7H++3e-=Cr3++4H2O 1.350 Cl(0)-(-I) Cl2(g)+2e-=2Cl- 1.35827 Cl(VII)-(-I) ClO4-+8H++8e-=Cl-+4H2O 1.389 Cl(VII)-(0) ClO4-+8H++7e-=1/2Cl2+4H2O 1.39 Au(III)-(I) Au3++2e-=Au+ 1.401 Br(V)-(-I) BrO3-+6H++6e-=Br-+3H2O 1.423 I(I)-(0) 2HIO+2H++2e-=I2+2H2O 1.439 Cl(V)-(-I) ClO3-+6H++6e-=Cl-+3H2O 1.451 Pb(IV)-(II) PbO2+4H++2e-=Pb2++2H2O 1.455 Cl(V)-(0) ClO3-+6H++5e-=1/2Cl2+3H2O 1.47Cl(I)-(-I) HClO+H++2e-=Cl-+H2O 1.482 Br(V)-(0) BrO3-+6H++5e-=l/2Br2+3H2O 1.482 Au(III)-(0) Au3++3e-=Au 1.498 Mn(VII)-(II) MnO4-+8H++5e-=Mn2++4H2O 1.507 Mn(III)-(II) Mn3++e-=Mn2+ 1.5415 Cl(III)-(-I) HClO2+3H++4e-=Cl-+2H2O 1.570 Br(I)-(0) HBrO+H++e-=l/2Br2(aq)+H2O 1.574 N(II)-(I) 2NO+2H++2e-=N2O+H2O 1.591 I(VII)-(V) H5IO6+H++2e-=IO3-+3H2O 1.601 Cl(I)-(0) HClO+H++e-=1/2Cl2+H2O 1.611 Cl(III)-(I) HClO2+2H++2e-=HClO+H2O 1.645 Ni(IV)-(II) NiO2+4H++2e-=Ni2++2H2O 1.678Mn(VII)-(IV) MnO4-+4H++3e-=MnO2+2H2O 1.679 Pb(IV)-(II) PbO2+SO42-+4H++2e-=PbSO4+2H2O 1.6913 Au(I)-(0) Au++e-=Au 1.692 Ce(IV)-(III) Ce4++e-=Ce3+ 1.72N(I)-(0) N2O+2H++2e-=N2+H2O 1.766O(-I)-(-II) H2O2+2H++2e-=2H2O 1.776 Co(III)-(II) Co3++e-=Co2+(2mol·L-1 H2SO4) 1.83Ag(II)-(I) Ag2++e-=Ag+ 1.980S(VII)-(VI) S2O82-+2e-=2SO42- 2.010O(0)-(-II) O3+2H++2e-=O2+H2O 2.076O(II)-(-II) F2O+2H++4e-=H2O+2F- 2.153 Fe(VI)-(III) FeO42-+8H++3e-=Fe3++4H2O 2.20O(0)-(-II) O(g)+2H++2e-=H2O 2.421F(0)-(-I) F2+2e-=2F- 2.866F2+2H++2e-=2HF 3.0532 在碱性溶液中(298K)电对方程式E/V Ca(II)-(0) Ca(OH)2+2e-=Ca+2OH--3.02 Ba(II)-(0) Ba(OH)2+2e-=Ba+2OH--2.99 La(III)-(0) La(OH)3+3e-=La+3OH--2.90 Sr(II)-(0) Sr(OH)2·8H2O+2e-=Sr+2OH-+8H2O -2.88 Mg(II)-(0) Mg(OH)2+2e-=Mg+2OH--2.690232Hf(IV)-(0) HfO(OH)2+H2O+4e-=Hf+4OH--2.50Zr(IV)-(0) H2ZrO3+H2O+4e-=Zr+4OH--2.36Al(III)-(0) H2AlO3-+H2O+3e-=Al+OH--2.33P(I)-(0) H2PO2-+e-=P+2OH--1.82B(III)-(0) H2BO3-+H2O+3e-=B+4OH--1.79P(III)-(0) HPO32-+2H2O+3e-=P+5OH--1.71Si(IV)-(0) SiO32-+3H2O+4e-=Si+6OH--1.697P(III)-(I) HPO32-+2H2O+2e-=H2PO2-+3OH--1.65Mn(II)-(0) Mn(OH)2+2e-=Mn+2OH--1.56Cr(III)-(0) Cr(OH)3+3e-=Cr+3OH--1.48*Zn(II)-(0) [Zn(CN)4]2-+2e-=Zn+4CN--1.26Zn(II)-(0) Zn(OH)2+2e-=Zn+2OH--1.249 Ga(III)-(0) H2GaO3-+H2O+2e-=Ga+4OH--1.219Zn(II)-(0) ZnO22-+2H2O+2e-=Zn+4OH--1.215Cr(III)-(0) CrO2-+2H2O+3e-=Cr+4OH--1.2Te(0)-(-I) Te+2e-=Te2--1.143P(V)-(III) PO43-+2H2O+2e-=HPO32-+3OH--1.05*Zn(II)-(0) [Zn(NH3)4]2++2e-=Zn+4NH3-1.04*W(VI)-(0) WO42-+4H2O+6e-=W+8OH--1.01*Ge(IV)-(0) HGeO3-+2H2O+4e-=Ge+5OH--1.0Sn(IV)-(II) [Sn(OH)6]2-+2e-=HSnO2-+H2O+3OH--0.93423Se(0)-(-II) Se+2e-=Se2--0.924 Sn(II)-(0) HSnO2-+H2O+2e-=Sn+3OH--0.909 P(0)-(-III) P+3H2O+3e-=PH3(g)+3OH--0.87N(V)-(IV) 2NO3-+2H2O+2e-=N2O4+4OH--0.85H(I)-(0) 2H2O+2e-=H2+2OH--0.8277 Cd(II)-(0) Cd(OH)2+2e-=Cd(Hg)+2OH--0.809 Co(II)-(0) Co(OH)2+2e-=Co+2OH--0.73Ni(II)-(0) Ni(OH)2+2e-=Ni+2OH--0.72 As(V)-(III) AsO43-+2H2O+2e-=AsO2-+4OH--0.71 Ag(I)-(0) Ag2S+2e-=2Ag+S2--0.691 As(III)-(0) AsO2-+2H2O+3e-=As+4OH--0.68 Sb(III)-(0) SbO2-+2H2O+3e-=Sb+4OH--0.66*Re(VII)-(IV) ReO4-+2H2O+3e-=ReO2+4OH--0.59*Sb(V)-(III) SbO3-+H2O+2e-=SbO2-+2OH--0.59 Re(VII)-(0) ReO4-+4H2O+7e-=Re+8OH--0.584 *S(IV)-(II) 2SO32-+3H2O+4e-=S2O32-+6OH--0.58 Te(IV)-(0) TeO32-+3H2O+4e-=Te+6OH--0.57 Fe(III)-(II) Fe(OH)3+e-=Fe(OH)2+OH--0.56S(0)-(-II) S+2e-=S2--0.47627 Bi(III)-(0) Bi2O3+3H2O+6e-=2Bi+6OH--0.46N(III)-(II) NO2-+H2O+e-=NO+2OH--0.46*Co(II)-C(0) [Co(NH3)6]2++2e-=Co+6NH3-0.422 Se(IV)-(0) SeO32-+3H2O+4e-=Se+6OH--0.366 Cu(I)-(0) Cu2O+H2O+2e-=2Cu+2OH--0.360 Tl(I)-(0) Tl(OH)+e-=Tl+OH--0.34 *Ag(I)-(0) [Ag(CN)2]-+e-=Ag+2CN--0.31 Cu(II)-(0) Cu(OH)2+2e-=Cu+2OH--0.222 Cr(VI)-(III) CrO42-+4H2O+3e-=Cr(OH)3+5OH--0.13 *Cu(I)-(0) [Cu(NH3)2]++e-=Cu+2NH3-0.12 O(0)-(-I) O2+H2O+2e-=HO2-+OH--0.076 Ag(I)-(0) AgCN+e-=Ag+CN--0.017 N(V)-(III) NO3-+H2O+2e-=NO2-+2OH-0.01 Se(VI)-(IV) SeO42-+H2O+2e-=SeO32-+2OH-0.05 Pd(II)-(0) Pd(OH)2+2e-=Pd+2OH-0.07S(II,V)-(II) S4O62-+2e-=2S2O32-0.08 Hg(II)-(0) HgO+H2O+2e-=Hg+2OH-0.0977 Co(III)-(II) [Co(NH3)6]3++e-=[Co(NH3)6]2+0.108 Pt(II)-(0) Pt(OH)2+2e-=Pt+2OH-0.14 Co(III)-(II) Co(OH)3+e-=Co(OH)2+OH-0.17 Pb(IV)-(II) PbO2+H2O+2e-=PbO+2OH-0.247 I(V)-(-I) IO3-+3H2O+6e-=I-+6OH-0.26Cl(V)-(III) ClO3-+H2O+2e-=ClO2-+2OH-0.33 Ag(I)-(0) Ag2O+H2O+2e-=2Ag+2OH-0.342Fe(III)-(II) [Fe(CN)6]3-+e-=[Fe(CN)6]4-0.358Cl(VII)-(V) ClO4-+H2O+2e-=ClO3-+2OH-0.36*Ag(I)-(0) [Ag(NH3)2]++e-=Ag+2NH30.373O(0)-(-II) O2+2H2O+4e-=4OH-0.401I(I)-(-I) IO-+H2O+2e-=I-+2OH-0.485*Ni(IV)-(II) NiO2+2H2O+2e-=Ni(OH)2+2OH-0.490Mn(VII)-(VI) MnO4-+e-=MnO42-0.558Mn(VII)-(IV) MnO4-+2H2O+3e-=MnO2+4OH-0.595Mn(VI)-(IV) MnO42-+2H2O+2e-=MnO2+4OH-0.60Ag(II)-(I) 2AgO+H2O+2e-=Ag2O+2OH-0.607Br(V)-(-I) BrO3-+3H2O+6e-=Br-+6OH-0.61Cl(V)-(-I) ClO3-+3H2O+6e-=Cl-+6OH-0.62Cl(III)-(I) ClO2-+H2O+2e-=ClO-+2OH-0.66I(VII)-(V) H3IO62-+2e-=IO3-+3OH-0.7Cl(III)-(-I) ClO2-+2H2O+4e-=Cl-+4OH-0.76Br(I)-(-I) BrO-+H2O+2e-=Br-+2OH-0.761Cl(I)-(-I) ClO-+H2O+2e-=Cl-+2OH-0.841*Cl(IV)-(III) ClO2(g)+e-=ClO2-0.95O(0)-(-II) O3+H2O+2e-=O2+2OH- 1.24R.Lide, Handbook of Chemistry and Physics, 8-25-8-30, 78th. edition, 1997-1998Dean Ed,Lange’s Handbook of Chemistry, 13th. edition, 1985参考书.石墨电极的工艺流程详解下面我为大家介绍一下各种工序原料:用于炭素生产的原料有哪些?在炭素生产中,通常采用的原料可分为固体炭质原料和粘结剂及浸渍剂两类。

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