Question: The magnetic moment of the complex anion $\left[\mathrm{Cr}(\mathrm{NO})\left(\mathrm{NH}_{3}\right)(\mathrm{CN})_{4}\right]^{2-}$ is :
$2.82 \mathrm{BM}$
$5.91 \mathrm{BM}$
$1.73 \mathrm{BM}$
$3.87 \mathrm{BM}$
Correct Option: , 3
Solution:
Solution not required