The correct structure of `Fe (CO)_(5)` is ?

The correct structure of Fe(CO)₅ , is

Shape of Fe(CO)_(5) is

Shape of Fe(CO)_(5) is

What type of numeral is used to indicate oxidation state of central ion? Write t he structure of Fe(CO)_(5) .

The oxidation state of Fe in Fe(CO)_(5) is

The oxidation state of Fe in Fe(CO)_(5) is

What is the shape of Fe(CO)_(5) ?