Among the following which are ambidentate ligands?(i) NO2− (ii) NO3− (iii) C2O42− (iv) SCN-
(i) and (iv)
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
Ligands which can have more than one donor site but only one site used at one time are called ambidentate ligands. NO2− and SCN- are such ligands.