H2  Ca(CN)2  NaAlF4  FeSO4  MgSiO3  KI
H3PO4  PbCrO4  BrCl  CF2Cl2  SO2
.

PbBr2  CrCl3  MgCO3  KAl(OH)4  Fe(SCN)3
PI3  Na2SiO3  CaF2  H2O
.


An artificially constructed redox reaction with pathological
combinations of elements. This is a nice test of chemeq.