Coordination number of Fe in the complexes \[{{\left[ Fe{{(CN)}_{6}} \right]}^{4-}},\,\,{{\left[ Fe{{(CN)}_{6}} \right]}^{3-}}\,\,and\,\,{{\left[ FeC{{N}_{4}} \right]}^{-}}\] would be respectively
A)2, 3, 3
B)6, 6, 4
C)6, 3, 3
D)6, 4, 6
Correct Answer:
B
Solution :
Coordination number is equal to total number of ligands in a complex.