The spin only magnetic moment value of `Cr(CO)_(6)` is
The spin only magnetic moment value of `Cr(CO)_(6)` is
A. zero
B. `2.84`
C. `4.90`
D. `5.92`
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Correct Answer - A
In `|Cr(CO)_(6)|`, Cr is in zero oxidation state `_(24)Cr=|Ar|3d^(5)4s^(1)`
CO is a strong ligand , all the six unpaired electrons will pair up i.e. , there will be no unpaired electron .
`:.pi=0`
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