Question

The spin only magnetic moment value of $Cr(CO{)}_6$ is

• A. $2.84B.M$
• B. $4.90B.M$
• C. $5.92B.M$
• D. $0B.M$

Answer 1

Answer: (D)

$CO$ is a strong ligand, all the six electron of the valence shell of $Cr$ is paired and spin only magnetic moment $=0$.