Among the metals $\mathrm{Mn}, \mathrm{Fe}, \mathrm{Co}$ and Ni , the ones those would react in its native form directly with CO giving metal carbonyl compounds are:
(a)Co and Mn
(b)Mn and Fe
(c)Fe and Ni
(d)Ni and Co
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
Only Ni (Ni(CO)₄, room temperature) and Fe (Fe(CO)₅, heat and pressure) react directly with CO as the metal (c).