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1.75亿学生的选择
Φ(Cu2+/CuI)=0.86,Φ°(Cu2+/Cu+)=0.16,求Ksp(CuI)具体过程
Φ°(Cu2+ / CuI) = Φ(Cu2+ / Cu+) = Φ°(Cu2+ / Cu+) + (RT/F) * ln( [Cu2+] / [Cu+] ) =Φ°(Cu2+ / Cu+) + (RT/F) * ln( [Cu2+] * [I-] / Ksp )即 0.86 = 0.16 + (8.314 * 298 / 96500) * ln( 1 / Ksp )解得 Ksp=1.44 *10^-12
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Cu2+/CuBr和Cu2+/CuCl,Cu2+/CuI,比Cu2+/Cu+较,标准电极电势最低为哪个?希望有详细解析.
Cu2+/CuBr和Cu2+/CuCl,Cu2+/CuI比较,标准电极电势最高为哪个? Cu2+/CuCl最低,Cu2+/CuI最高.因为溶解度：CuCl & CuBr & CuI,降低还
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标准电极电势
标准电极电势
Standard Electrode Potentials
电极过程(Electrode process)
Ag2++e═Ag+
AgBr+e═Ag+Br-
AgBrO3+e═Ag+BrO3-
AgCl+e═Ag+Cl-
AgCN+e═Ag+CN-
Ag2CO3+2e═2Ag+CO32-
Ag2C2O4+2e═2Ag+C2O42-
Ag2CrO4+2e═2Ag+CrO42-
AgF+e═Ag+F-
Ag4[Fe(CN)6]+4e═4Ag+[Fe(CN)6]4-
AgI+e═Ag+I-
AgIO3+e═Ag+IO3-
Ag2MoO4+2e═2Ag+MoO42-
[Ag(NH3)2]++e═Ag+2NH3
AgNO2+e═Ag+NO2-
Ag2O+H2O+2e═2Ag+2OH-
2AgO+H2O+2e═Ag2O+2OH-
Ag2S+2e═2Ag+S2-
Ag2S+2H++2e═2Ag+H2S
AgSCN+e═Ag+SCN-
Ag2SeO4+2e═2Ag+SeO42-
Ag2SO4+2e═2Ag+SO42-
Ag2WO4+2e═2Ag+WO42-
Al3+3e═Al
AlF63-+3e═Al+6F-
Al(OH)3+3e═Al+3OH-
AlO2-+2H2O+3e═Al+4OH-
Am3++3e═Am
Am4++e═Am3+
AmO22++4H++3e═Am3++2H2O
As+3H++3e═AsH3
As+3H2O+3e═AsH3+3OH-
As2O3+6H++6e═2As+3H2O
HAsO2+3H++3e═As+2H&2O
AsO2-+2H2O+3e═As+4OH-
H3&AsO4+2H++2e═HAsO2+2H2O
AsO43-+2H2O+2e═AsO2-+4OH-
AsS2-+3e═As+2S2-
AsS43-+2e═ AsS2-+2S2-
Au3++3e═Au
Au3++2e═Au+
AuBr2-+e═Au+2Br-
AuBr4-+3e═Au+4Br-
AuCl2-+e═Au+2Cl-
AuCl4-+3e═Au+4Cl-
AuI+e═Au+I-
Au(SCN)4-+3e═Au+4SCN-
Au(OH)3+3H++3e═Au+3H2O
BF4-+3e═B+4F-
H2BO3-+H2O+3e═B+4OH-
B(OH)3+7H++8e═BH4-+3H2O
Ba2++2e═Ba
Ba(OH)2+2e═Ba+2OH-
Be2++2e═Be
Be2O32-+3H2O+4e═2Be+6OH-
Bi3++3e═Bi
BiCl4-+3e═Bi+4Cl-
BiOCl+2H++3e═Bi+Cl-+H2O
Bi2O3+3H2O+6e═2Bi+6OH-
Bi2O4+4H++2e═2BiO++2H2O
Bi2O4+H2O+2e═ Bi2O3+2OH-
Br2(水溶液,aq)+2e═2Br-
Br2(液体)+2e═2Br-
BrO-+H2O+2e═Br-+2OH
BrO3-+6H++6e═Br-+3H2O
BrO3-+3H2O+6e═Br-+6OH-
2BrO3-+12H++10e═Br2+6H2O
HBrO+H++2e═Br-+H2O
2HBrO+2H++2e═Br2(水溶液,aq)+2H2O
CH3OH+2H++2e═CH4+H2O
HCHO+2H++2e═CH3OH
CH3COOH+2H++2e═CH3CHO+H2O
(CN)2+2H++2e═2HCN
(CNS)2+2e═2CNS-
CO2+2H++2e═CO+H2O
CO2+2H++2e═HCOOH
Ca2++2e═Ca
Ca(OH)2+2e═Ca+2OH-
Cd2++2e═Cd
Cd2++2e═Cd(Hg)
Cd(CN)42-+2e═Cd+4CN-
CdO+H2O+2e═Cd+2OH-
CdS+2e═Cd+S2-
CdSO4+2e═Cd+SO42-
Ce3++3e═Ce
Ce3++3e═Ce(Hg)
CeO2+4H++e═Ce3++2H2O
Cl2(气体)+2e═2Cl-
ClO-+H2O+2e═Cl-+2OH-
HClO+H++2e═Cl-+H2O
2HClO+2H++2e═Cl2+2H2O
ClO2-+2H2O+4e═Cl-+4OH-
2ClO3-+12H++10e═Cl2+6H2O
ClO3-+6H++6e═Cl-+3H2O
ClO3-+3H2O+6e═Cl-+6OH-
ClO4-+8H++8e═Cl-+4H2O
2ClO4-+16H++14e═Cl2+8H2O
Cm3++3e═Cm
Co2++2e═Co
Co3++e═Co2+
[Co(NH3)6]3++e═[Co(NH3)6]2+
[Co(NH3)6]2++2e═Co+6NH3
Co(OH)2+2e═Co+2OH-
Co(OH)3+e═Co(OH)2+OH-
Cr2++2e═Cr
Cr3++e═Cr2+
Cr3++3e═Cr
[Cr(CN)6]3-+e═[Cr(CN)6]4-
Cr(OH)3+3e═Cr+3OH-
Cr2O72-+14H++6e═2Cr3++7H2O
CrO2-+2H2O+3e═Cr+4OH-
HCrO4-+7H++3e═Cr3++4H2O
CrO42-+4H2O+3e═Cr(OH)3+5OH-
Cu2++2e═Cu
Cu2++e═Cu+
Cu2++2e═Cu(Hg)
Cu2++Br-+e═CuBr
Cu2++Cl-+e═CuCl
Cu2++I-+e═CuI
Cu2++2CN-+e═[Cu(CN)2]-
CuBr2-+e═Cu+2Br-
CuCl2-+e═Cu+2Cl-
CuI2-+e═Cu+2I-
Cu2O+H2O+2e═2Cu+2OH-
Cu(OH)2+2e═Cu+2OH-
2Cu(OH)2+2e═Cu2O+2OH-+H2O
CuS+2e═Cu+S2-
CuSCN+e═Cu+SCN-
Dy2++2e═Dy
Dy3++3e═Dy
Er2++2e═Er
Er3++3e═Er
Es2++2e═Es
Es3++3e═Es
Eu2++2e═Eu
Eu3++3e═Eu
F2+2H++2e═2HF
F2O+2H++4e═H&2O+2F-
Fe2++2e═Fe
Fe3++3e═Fe
Fe3++e═Fe2+
0.68 0.771*
[Fe(CN)6]3-+e═[Fe(CN)6]4-
[Fe(CN)6]4-+2e═Fe+6CN-
FeF63-+e═Fe2++6F-
Fe(OH)2+2e═Fe+2OH-
Fe(OH)3+e═Fe(OH)2+OH-
Fe3O4+8H++2e═3Fe2++4H2O
Fm3++3e═Fm
Ga3++3e═Ga
H2GaO3-+H2O+3e═Ga+4OH-
Gd3++3e═Gd
Ge2++2e═Ge
Ge4++2e═Ge2+
GeO2+2H++2e═GeO(棕色)+H2O
GeO2+2H++2e═GeO(黄色)+H2O
H2GeO3+4H++4e═Ge+3H2O
2H++2e═H2
H2+2e═2H-
2H2O+2e═H2+2OH-
Hf4++4e═Hf
Hg2++2e═Hg
Hg22++2e═2Hg
2Hg2++2e═Hg22+
Hg2Br2+2e═2Hg+2Br-
HgBr42-+2e═Hg+4Br-
Hg2Cl2+2e═2Hg+2Cl-
2HgCl2+2e═Hg2Cl2+2Cl-
Hg2CrO4+2e═2Hg+CrO42-
Hg2I2+2e═2Hg+2I-
Hg2O+H2O+2e═2Hg+2OH-
HgO+H2O+2e═Hg+2OH-
HgS(红色)+2e═Hg+S2-
HgS(黑色)+2e═Hg+S2-
Hg2(SCN)2+2e═2Hg+2SCN-
Hg2SO4+2e═2Hg+SO42-
Ho2++2e═Ho
Ho3++3e═Ho
I2+2e═2I-
I3-+2e═3I-
2IBr+2e═I2+2Br-
ICN+2e═I-+CN-
2HIO+2H++2e═I2+2H2O
HIO+H++2e═I-+H2O
IO-+H2O+2e═I-+2OH-
2IO3-+12H++10e═I2+6H2O
IO3-+6H++6e═I-+3H2O
IO3-+2H2O+4e═IO-+4OH-
IO3-+3H2O+6e═I-+6OH-
2IO3-+6H2O+10e═I2+12OH-
H5IO6+H++2e═IO3-+3H2O
In3++3e═In
In(OH)3+3e═In+3OH-
Ir3++3e═Ir
IrBr62-+e═ IrBr63-
IrCl62-+e═IrCl63-
La3++3e═La
La(OH)3+3e═La+3OH-
Lr3++3e═Lr
Lu3++3e═Lu
Md2++2e═Md
Md3++3e═Md
Mg2++2e═Mg
Mg(OH)2+2e═Mg+2OH-
Mn2++2e═Mn
Mn3++3e═Mn
MnO2+4H++2e═Mn2++2H2O
MnO4-+4H++3e═MnO2+2H2O
MnO4-+8H++5e═Mn2++4H2O
MnO4-+2H2O+3e═MnO2+4OH-
Mn(OH)2+2e═Mn+2OH-
Mo3++3e═Mo
MoO42-+4H2O+6e═Mo+8OH-
N2+2H&2O+6H++6e═2NH4OH
2NH3OH++H++2e═N2H5++2H2O
2NO+H2O+2e═N2O+2OH-
2HNO2+4H++4e═N2O+3H2O
NO3-+3H++2e═HNO2+H2O
NO3-+H2O+2e═NO2-+2OH-
2NO3-+2H2O+2e═N2O4+4OH-
Nb3++3e═Nb
NbO2+4H++4e═Nb+2H2O
Nb2O5+10H++10e═2Nb+5H2O
Nd2++2e═Nd
Nd3++3e═Nd
Ni2++2e═Ni
NiCO3+2e═Ni+CO32-
Ni(OH)2+2e═Ni+2OH-
NiO2+4H++2e═Ni2++2H2O
No2++2e═No
No3++3e═No
Np3++3e═Np
NpO2+H2O+H++e═Np(OH)3
O2+4H++4e═2H2O
O2+2H2O+4e═4OH-
O3+H2O+2e═O2+2OH-
Os2++2e═Os
OsCl63-+e═Os2++6Cl-
OsO2+2H2O+4e═Os+4OH-
OsO4+8H++8e═Os+4H2O
OsO4+4H++4e═OsO2+2H2O
P+3H2O+3e═PH3(g)+3OH-
H2PO2-+e═P+2OH-
H3PO3+2H++2e═H3PO2+H2O
H3PO3+3H++3e═P+3H2O
H3PO4+2H++2e═H3PO3+H2O-
PO43-+2H2O+2e═HPO32-+3OH-
Pa3++3e═Pa
Pa4++4e═Pa
Pb2++2e═Pb
Pb2++2e═Pb(Hg)
PbBr2+2e═Pb+2Br-
PbCl2+2e═Pb+2Cl-
PbCO3+2e═Pb+CO32-
PbF2+2e═Pb+2F-
PbI2+2e═Pb+2I-
PbO+H2O+2e═Pb+2OH-
PbO+4H++2e═Pb+H2O
PbO2+4H++2e═Pb2+2H2O
HPbO2-+H2O+2e═Pb+3OH-
PbO2+SO42-+4H++2e═PbSO4+2H2O
PbSO4+2e═Pb+SO42-
Pd2++2e═Pd
PdBr42-+2e═Pd+4Br-
PdO2+H2O+2e═PdO+2OH-
Pd(OH)2+2e═Pd+2OH-
Pm2++2e═Pm
Pm3++3e═Pm
Po4++4e═Po
Pr2++2e═Pr
Pr3++3e═Pr
Pt2++2e═Pt
[PtCl6]2-+2e═[PtCl4]2-+2Cl-
Pt(OH)2+2e═Pt+2OH-
PtO2+4H++4e═Pt+2H2O
PtS+2e═Pt+S2-
Pu3++3e═Pu
Pu5++e═Pu4+
Ra2++2e═Ra
Re3++3e═Re
ReO2+4H++4e═Re+2H2O
ReO4-+4H++3e═ReO2+2H2O
ReO4-+4H2O+7e═Re+8OH-
Rh2++2e═Rh
Rh3++3e═Rh
Ru2++2e═Ru
RuO2+4H++2e═Ru2++2H&2O
RuO4+6H++4e═Ru(OH)22++2H2O
S+2H++2e═H2S(水溶液,aq)
S2O62-+4H++2e═2H2SO3
2SO32-+3H2O+4e═S2O32-+6OH-
2SO32-+2H2O+2e═S2O42-+4OH-
SO42-+H2O+2e═SO32-+2OH-
Sb+3H++3e═SbH3
Sb2O3+6H++6e═2Sb+3H2O
Sb2O5+6H++4e═2SbO++3H2O
SbO3-+H2O+2e═SbO2-+2OH-
Sc3++3e═Sc
Sc(OH)3+3e═Sc+3OH-
Se+2e═Se2-
Se+2H++2e═H2Se(水溶液,aq)
H2&SeO3+4H++4e═Se+3H2O
SeO32-+3H2O+4e═Se+6OH-
SeO42-+H2O+2e═SeO32-+2OH-
Si+4H++4e═SiH4(气体)
Si+4H2O+4e═SiH4+4OH-
SiF62-+4e═Si+6F-
SiO2+4H++4e═Si+2H2O
SiO32-+3H2O+4e═Si+6OH-
Sm2++2e═Sm
Sm3++3e═Sm
Sn2++2e═Sn
Sn4++2e═Sn2+
SnCl42-+2e═Sn+4Cl-(1mol/LHCl)
SnF62-+4e═Sn+6F-
Sn(OH)3-+3H++2e═Sn2++3H2O
SnO2+4H++4e═Sn+2H2O
Sn(OH)62-+2e═HSnO2-+3OH-+H2O
Sr2++2e═Sr
Sr2++2e═Sr(Hg)
Sr(OH)2+2e═Sr+2OH-
Ta3++3e═Ta
Tb3++3e═Tb
Tc2++2e═Tc
TcO4-+8H++7e═Tc+4H2O
TcO4-+2H2O+3e═TcO2+4OH-
Te+2e═Te2-
Te4++4e═Te
Th4++4e═Th
Ti2++2e═Ti
Ti3++3e═Ti
TiO2+4H++2e═Ti2++2H2O
TiO2++2H++e═Ti3++H2O
Tl3++3e═Tl
Tl3++Cl-+2e═TlCl
TlBr+e═Tl+Br-
TlCl+e═Tl+Cl-
TlI+e═Tl+I-
Tl2O3+3H&2O+4e═2Tl++6OH-
TlOH+e═Tl+OH-
Tl2SO4+2e═2Tl+SO42-
Tm2++2e═Tm
Tm3++3e═Tm
UO2+4H++4e═U+2H2O
UO2++4H++e═U4++2H2O
UO22++4H++6e═U+2H2O
VO2++2H++e═V3++H2O
VO2++2H++e═VO2++H2O
VO2++4H++2e═V3++2H2O
V2O5+10H++10e═2V+5H2O
WO3+6H++6e═W+3H2O
W2O5+2H++2e═2WO2+H2O
Yb2++2e═Yb
Yb3++3e═Yb
Zn2++2e═Zn
Zn2++2e═Zn(Hg)
Zn(OH)2+2e═Zn+2OH-
ZnS+2e═Zn+S2-
ZnSO4+2e═Zn(Hg)+SO42-
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