25, Mangan (Mn)

Manganum, Magnesia nigra = Schwarze Erde aus Magnesia

Massenwirkungsgesetz

         
   
  Cr Mn Fe  
  Mo Tc Ru  
         
 

Löslichkeitsprodukte:

Substanz Formel Reaktion pL β (g/L)

Ammoniumpermanganat NH4MnO4 NH4MnO4 ↔ NH4+ + MnO4- 0.47 7.97•101
Bariummanganat(VI) BaMnO4 BaMnO4 ↔ Ba2+ + MnO42- 9.59 4.11•10-3
Cäsiumpermanganat CsMnO4 CsMnO4 ↔ Cs+ + MnO4- 4.08 2.3•100
Kaliumpermanganat KMnO4 KMnO4 ↔ K+ + MnO4- 0.79 6.36•101
Mangan(II)arsenat Mn3(AsO4)2 Mn3(AsO4)2 ↔ 3Mn2+ + 2AsO43- 28.72 3.13•10-4
Mangan(II)carbonat MnCO3 MnCO3 ↔ Mn2+ + CO32- 10.63 5.57•10-4
Mangan(II)fluorid MnF2 MnF2 ↔ Mn2+ + 2F- 2.3 1•101
Mangan(II)formiat Mn(HCOO)2 Mn(HCOO)2 ↔ Mn2+ + 2HCOO- 0.4 6.72•101
Mangan(II)hexacyanidoferrat(II) Mn2[Fe(CN)6] Mn2[Fe(CN)6] ↔ 2Mn2+ + Fe(CN)64- 12.1 1.88•10-2
Mangan(II)hydrogenphosphat MnHPO4 MnHPO4 ↔ Mn2+ + HPO42- 7.44 2.88•10-2
Mangan(II)hydroxid Mn(OH)2 Mn(OH)2 ↔ Mn2+ + 2OH- 12.72 3.22•10-3
Mangan(II)iodat Mn(IO3)2 Mn(IO3)2 ↔ Mn2+ + 2IO3- 6.36 1.93•100
Mangan(II)oxalat MnC2O4 MnC2O4 ↔ Mn2+ + C2O42- 6.77 5.89•10-2
Mangan(II)phosphat Mn3(PO4)2 Mn3(PO4)2 ↔ 3Mn2+ + 2PO43- 35.67 1.02•10-5
Mangan(II)selenat MnSeO4 MnSeO4 ↔ Mn2+ + SeO42- 6.1 1.76•10-1
Mangan(II)selenid MnSe MnSe ↔ Mn2+ + Se2- 12.1 1.19•10-4
Mangan(II)selenit MnSeO3 MnSeO3 ↔ Mn2+ + SeO32- 6.9 6.45•10-2
Mangan(II)sulfid, amorph MnS MnS ↔ Mn2+ + S2- 9.6 1.38•10-3
Mangan(II)sulfid, kristallin MnS MnS ↔ Mn2+ + S2- 12.6 4.36•10-5
Mangan(II)wolframat MnWO4 MnWO4 ↔ Mn2+ + WO42- 7.5 5.4•10-2
Mangan(III)sulfat Mn2(SO4)3 Mn2(SO4)3 ↔ 2Mn3+ + 3SO42- 5.71 1.13•101
Mangan(III)sulfid Mn2S3 Mn2S3 ↔ 2Mn3+ + 3S2- 101.5 4.05•10-19
Rubidiumpermanganat RbMnO4 RbMnO4 ↔ Rb+ + MnO4- 2.54 1.1•101
Silberpermanganat AgMnO4 AgMnO4 ↔ Ag+ + MnO4- 2.8 9.03•100
Strontiumpermanganat Sr(MnO4)2 Sr(MnO4)2 ↔ Sr2+ + 2MnO4- 2.71 2.56•101

Komplexdissoziationskonstanten:

Komplex Formel Reaktion pD

Diamminmangan(II) Mn(NH3)22+ Mn(NH3)22+ ↔ Mn2+ + 2NH3 1.3
Dioxalatomanganat(II) Mn(C2O4)22- Mn(C2O4)22- ↔ Mn2+ + 2C2O42- 5.79
Mangan(II)-EDTA-Komplex Mn(EDTA)2- Mn(EDTA)2- ↔ Mn2+ + EDTA4- 14
Tetrahydroxidomanganat(II) Mn(OH)42- Mn(OH)42- ↔ Mn2+ + 4OH- 48.28
Trichloridomanganat(II) MnCl3- MnCl3- ↔ Mn2+ + 3Cl- -0.305