In `Fe(CO)_5`, the `Fe-C` bond possesses:

In Fe(CO)₅ , the Fe-C bond possesses

In Fe(CO)_5 , Fe-C bond possess

In Fe(CO)_5," the " Fe larr CO a bond results by the overlap between filled sp hybrid orbital of C - atom of CO molecule and vavant :

In Fe(CO)_(5) , the Fe larr CO sigma bond results by the overlap between filled sp hybrid orbital of C atom of CO molecule and vacant

Iron carbonyl, Fe(CO)_(5) is -