The strong field ligand is "

The strong field ligands or moderate ligand are

CN^(-) is a strong field ligand. This is due to the fact that

CN^- is a strong field ligand. This is due to the fact that

CN^(-) is a strong field ligand. This is due to the fact that :

CN^(-) is a strong field ligand. This is due to the fact that

Spin only magnetic moment of an octahedral complex of Fe^(2+) in the presence of a strong field ligand in BM is: