what is linkage isomers what is double salt
Linkage isomerism is the existence of coordination compounds that have the same composition differing with the connectivity of the metal to a ligand. Typical ligands that give rise to linkage isomers are: thiocyanate, SCN − – isothiocyanate, NCS
Double Salt:
a crystalline salt having the composition of a mixture of two simple salts but with a different crystal structure from either.