Consider the following metal complexes: [Co(NH3)6]3+ [CoCl(NH3)5]2+ [Co(CN)6]3- [Co(NH3)5(H2O)]3+ The spin-only magnetic moment value of the complex that absorbes light with shortest wavelength is _____________. B.M (Nearest integer)

Consider the following metal complexes:

[Co(NH₃)₆]³⁺

[CoCl(NH₃)₅]²⁺

[Co(CN)₆]^3-

[Co(NH₃)₅(H₂O)]³⁺

The spin-only magnetic moment value of the complex that absorbes light with shortest wavelength is _____________. B.M (Nearest integer)

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Vishal Baghel | Contributor-Level 10

6 months ago

Complex absorbing minimum wavelength of light means the value of $Δ$ for it is maximum.

That complex will be ${[C o {(C N)}_{6}]}^{3 -}$ ${_{}}^{}$

$C o^{3 +} \Rightarrow 3 d^{6} 4 s^{0} \Rightarrow t_{2} g^{6} e g^{0}$

No. of unpaired electron = 0

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