http://wind.cc.whecn.edu/~csimone/chem1025/handouts/soluble.html
Chemistry I (CHEM 1025)
Polyatomic Ions and Solubility Rules
|
Cation Name |
Formula |
Solubility |
Exceptions |
|
ammonium |
NH41+ |
soluble |
none |
|
cesium |
Cs1+ |
soluble |
none |
|
hydrogen |
H1+ |
soluble |
none |
|
lithium |
Li1+ |
soluble |
none |
|
potassium |
K1+ |
soluble |
none |
|
rubidium |
Rb1+ |
soluble |
none |
|
sodium |
Na1+ |
soluble |
none |
|
Anion Name |
Formula |
Solubility |
Exceptions |
|
acetate |
C2H3O21- |
soluble |
none |
|
bromide |
Br1- |
soluble |
AgBr, PbBr2 |
|
carbonate |
CO32- |
insoluble |
Li2CO3, Na2CO3, K2CO3, Rb2CO3, Cs2CO3, MgCO3, (NH4)2CO3, H2CO3 |
|
chloride |
Cl1- |
soluble |
AgCl, PbCl2 |
|
chromate |
CrO42- |
insoluble |
Li2CrO4, Na2CrO4, K2CrO4, Rb2CrO4, Cs2CrO4, MgCrO4, CaCrO4, SrCrO4, (NH4)2CrO4, H2CrO4 |
|
fluoride |
F1- |
soluble |
MgF2, CaF2, SrF2, BaF2, PbF2 |
|
hydroxide |
OH1- |
insoluble |
LiOH, NaOH, KOH, RbOH, CsOH, Sr(OH)2, Ba(OH)2, NH4OH, H2O |
|
iodide |
I1- |
soluble |
AgI, PbI2, HgI2 |
|
nitrate |
NO31- |
soluble |
none |
|
oxalate |
C2O42- |
insoluble |
Li2C2O4, Na2C2O4, K2C2O4, Rb2C2O4, Cs2C2O4, MgC2O4, (NH4)2C2O4, H2C2O4 |
|
phosphate |
PO43- |
insoluble |
Li3PO4, Na3PO4, K3PO4, Rb3PO4, Cs3PO4, (NH4)3PO4, H3PO4 |
|
sulfate |
SO42- |
soluble |
SrSO4, BaSO4, PbSO4 |
|
sulfite |
SO32- |
insoluble |
Li2SO3, Na2SO3, K2SO3, Rb2SO3, Cs2SO3, MgSO3, CaSO3, SrSO3, BaSO3, (NH4)2SO3, H2SO3 |
Activity Series:
Li, K, Ba, Ca, Na, Mg, Al, Mn, Zn, Cr, Fe, Co, Ni, Sn, Pb, H2, Cu, Ag, Hg, Pt, Au