Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type and are
(i) linkage isomers
(ii) coordination isomers
(iii) ionisation isomers
(iv) geometrical isomers
Option (i) is the correct answer.
Explanation: Ambident ligands are those ligands which have two different bonding sites. For example: etc.
In this case, contains two binding sites at N and S. Therefore, (thiocyanate) will be bonding to the metal in these two ways; or
Hence, the coordination compounds containing as ligands can show linkages isomerism; and are linkage isomers.