29, Kupfer (Cu)

Cuprum, lat. cuprum = Kupfer, Metall aus Zypern

Massenwirkungsgesetz
         
   
  Ni Cu Zn  
  Pd Ag Cd  
         
 

Löslichkeitsprodukte:
Substanz Formel Reaktion pL β (g/L)
Kupfer(I)azid CuN3 CuN3 ↔ Cu+ + N3- 8.31 7.39•10-3
Kupfer(I)bromid CuBr CuBr ↔ Cu+ + Br- 8.2 1.14•10-2
Kupfer(I)chlorid CuCl CuCl ↔ Cu+ + Cl- 6.76 4.13•10-2
Kupfer(I)cyanid CuCN CuCN ↔ Cu+ + CN- 19.46 1.67•10-8
Kupfer(I)fluorid CuF CuF ↔ Cu+ + F- 4.95 2.76•10-1
Kupfer(I)hydroxid CuOH CuOH ↔ Cu+ + OH- 14 8.06•10-6
Kupfer(I)iodid CuI CuI ↔ Cu+ + I- 11.9 2.14•10-4
Kupfer(I)selenid Cu2Se Cu2Se ↔ 2Cu+ + Se2- 60.8 7.02•10-19
Kupfer(I)sulfid Cu2S Cu2S ↔ 2Cu+ + S2- 47.6 1.36•10-14
Kupfer(I)thiocyanat CuSCN CuSCN ↔ Cu+ + SCN- 12.75 5.13•10-5
Kupfer(II)acetat Cu(CH3COO)2 Cu(CH3COO)2 ↔ Cu2+ + 2CH3COO- 0.68 6.79•101
Kupfer(II)arsenat Cu3(AsO4)2 Cu3(AsO4)2 ↔ 3Cu2+ + 2AsO43- 35.1 1.75•10-5
Kupfer(II)azid Cu(N3)2 Cu(N3)2 ↔ Cu2+ + 2N3- 9.2 7.97•10-2
Kupfer(II)carbonat CuCO3 CuCO3 ↔ Cu2+ + CO32- 9.86 1.45•10-3
Kupfer(II)chromat CuCrO4 CuCrO4 ↔ Cu2+ + CrO42- 5.44 3.42•10-1
Kupfer(II)diphosphat Cu2P2O7 Cu2P2O7 ↔ 2Cu2+ + P2O74- 15.08 1.78•10-3
Kupfer(II)fluorid CuF2 CuF2 ↔ Cu2+ + 2F- 5.79 7.52•10-1
Kupfer(II)formiat Cu(HCOO)2 Cu(HCOO)2 ↔ Cu2+ + 2HCOO- -0.03 9.9•101
Kupfer(II)hexacyanidoferrat(II) Cu2[Fe(CN)6] Cu2[Fe(CN)6] ↔ 2Cu2+ + Fe(CN)64- 15.89 1.08•10-3
Kupfer(II)hydroxid Cu(OH)2 Cu(OH)2 ↔ Cu2+ + 2OH- 19.66 1.72•10-5
Kupfer(II)iodat Cu(IO3)2 Cu(IO3)2 ↔ Cu2+ + 2IO3- 7.16 1.07•100
Kupfer(II)molybdat CuMoO4 CuMoO4 ↔ Cu2+ + MoO42- 13.07 6.52•10-5
Kupfer(II)oxalat CuC2O4 CuC2O4 ↔ Cu2+ + C2O42- 9.35 3.2•10-3
Kupfer(II)phosphat Cu3(PO4)2 Cu3(PO4)2 ↔ 3Cu2+ + 2PO43- 36.85 6.36•10-6
Kupfer(II)selenat CuSeO4 CuSeO4 ↔ Cu2+ + SeO42- 7.1 5.82•10-2
Kupfer(II)selenid CuSe CuSe ↔ Cu2+ + Se2- 48.1 1.27•10-22
Kupfer(II)selenit CuSeO3 CuSeO3 ↔ Cu2+ + SeO32- 7.68 2.75•10-2
Kupfer(II)sulfid CuS CuS ↔ Cu2+ + S2- 35.2 2.4•10-16

Komplexdissoziationskonstanten:
Komplex Formel Reaktion pD
Diamminkupfer(I) Cu(NH3)2+ Cu(NH3)2+ ↔ Cu+ + 2NH3 10.86
Dibromidocuprat(I) CuBr2- CuBr2- ↔ Cu+ + 2Br- 5.89
Dicarbonatocuprat(II) Cu(CO3)22- Cu(CO3)22- ↔ Cu2+ + 2CO32- 10.2
Didiphosphatocuprat(II) Cu(P2O7)26- Cu(P2O7)26- ↔ Cu2+ + 2P2O74- 9
Diiodidocuprat(I) CuI2- CuI2- ↔ Cu+ + 2I- 7.1
Dioxalatocuprat(II) Cu(C2O4)22- Cu(C2O4)22- ↔ Cu2+ + 2C2O42- 8.48
Disulfitocuprat(I) Cu(SO3)23- Cu(SO3)23- ↔ Cu+ + 2SO32- 8.7
Dithiocyanidocuprat(I) Cu(SCN)2- Cu(SCN)2- ↔ Cu+ + 2SCN- 2.25
Kupfer(II)-EDTA-Komplex Cu(EDTA)2- Cu(EDTA)2- ↔ Cu2+ + EDTA4- 18.8
Tetraacetatocuprat(II) Cu(CH3COO)42- Cu(CH3COO)42- ↔ Cu2+ + 4CH3COO- 2.9
Tetraamminkupfer(II) Cu(NH3)42+ Cu(NH3)42+ ↔ Cu2+ + 4NH3 12.59
Tetrachloridocuprat(II) CuCl42- CuCl42- ↔ Cu2+ + 4Cl- 5.62
Tetracyanidocuprat(I) Cu(CN)43- Cu(CN)43- ↔ Cu+ + 4CN- 33.4
Tetracyanidocuprat(II) Cu(CN)42- Cu(CN)42- ↔ Cu2+ + 4CN- 27.3
Tetrahydroxidocuprat(II) Cu(OH)42- Cu(OH)42- ↔ Cu2+ + 4OH- 16.11
Trichloridocuprat(I) CuCl32- CuCl32- ↔ Cu+ + 3Cl- 5.7