Chemistry - Coordination Chemistry Question with Solution | TestHub

unpaired electron

${\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{3-}$ ${\mathrm{Fe}}^{+3}\Rightarrow {\mathrm{t}}_2{\mathrm{g}}^5{\mathrm{eg}}^0$, 1

${\left[\mathrm{Mn}(\mathrm{CN}{)}_6\right]}^{3-}$ ${\mathrm{Mn}}^{+3}\Rightarrow {\mathrm{t}}_2{\mathrm{g}}^4{\mathrm{eg}}^0$, 2

${\left[{\mathrm{CoF}}_6\right]}^{3-}$ ${\mathrm{Co}}^{+3}\Rightarrow {\mathrm{t}}_2{\mathrm{g}}^4{\mathrm{eg}}^2$, 4

${\left[{\mathrm{MnBr}}_4\right]}^{2-}$ ${\mathrm{Mn}}^{+2}\Rightarrow {\mathrm{e}}^2{\mathrm{t}}_2{}^3$, 5

Spin magnetic moment μ = √n(n+2) B.M