The correct order of magentic moments (spin only values is B.M ) among is

Options

A. `[Fe(CN)_(6)]^(4-) gt [MnCl_4]^(2-) gt [CoCl_(4)]^(2-)`
B. `[MnCl_(4)]^(2-) gt [Fe(CN)_6]^(4-) gt [CoCl_(4)]^(2-)`
C. `[MnCl_(4)]^(2-) gt [CoCl_(4)]^(2-) gt [Fe (CN)_(6)]^(4-)`
D. `[Fe(CN)_(6)]^(4-) gt [CoCl_(4)]^(2) gt [MnCl_(4)]^(2-)`

Answer

C

Explanation

no fo unpaired electron =3
The greater the number of unpaired electrons, greater the magnitude of magnetic moment. Hence the correct order will be
`[MnCl_(4)]^(2-) gt [CoCl_4]^(2-) gt [Fe (CN)_6]^(4-)`