Consider the following metal complexes: \( [\mathrm{Co(NH_3)_6}]^{3+} \quad [\mathrm{CoCl(NH_3)_5}]^{2+} \quad [\mathrm{Co(CN)_6}]^{3-} \quad [\mathrm{Co(NH_3)_5(H_2O)}]^{3+} \) The spin-only magnetic moment value of the complex that absorbs light with shortest wavelength is ________ B.M. (Nearest integer)
