Question

Arrange the following coordination compounds in the increasing order of magnetic moments. (Atomic numbers: $Mn=25;Fe=26$ )
(A) ${\left[Fe{F}_6\right]}^{3-}$
(B) ${\left[Fe(CN{)}_6\right]}^{3-}$
(C) ${\left[MnC{l}_6\right]}^{3-}$ (high spin)
(D) ${\left[Mn(CN{)}_6\right]}^{3-}$

• A. A < B < D < C
• B. B < D < C < A
• C. A < C < D < B
• D. B < D < A < C

Answer 1

Answer: (B)