Which one of the following statement (s) is/are false ?

Options

A. Weak ligand like `F^(-),Cl^(-)andOH^(-)` usually form low spin complexes
B. Strong ligands like `CN^(-)andNO_(2)^(-)`, generally form high spin complexes
C. `[FeF_(6)]^(3-)` is high spin complexes
D. `[Ni(CO)_(4)]` is high spin complex

Answer

A, B, D

Explanation

Weak field ligands cause high spin complexes and strong field ligands causes low spin complexes.