Which ligand in [Co(NH₃)4(SCN)Cl]+ can be replaced to form a linkage isomer?
SCN− is ambidentate, binding via S (thiocyanato) or N (isothiocyanato), allowing linkage isomerism when replaced or reoriented.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate