MCQ
The IUPAC name of $\left[ Fe ( CO )_5\right]$ is :
- AIronpentacarbonyl
- BPentacarbonyliron (O)
- CIronpentacarbonmonoxide
- ✓All of the above
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(At. nos. $Ti = 22,\,Cr = 24,$ $ Mn = 25,\,Ni = 28$)