Which of the following complexes show linkage isomerism?

Ambidentate ligands have more than one binding site. Both NO₂ and SCN are ambidentate ligands and will therefore show linkage isomerism.

1) SCN^-→ M NCS→M

Isothiocyanato Thiocyanato

2) MßNO₂ MßO-N=O

Nitrito-N Nitrito-O