Question

In which of the following compounds, iron (Fe) has the lowest oxidation state ?

• A. $K_3[Fe(CN)_6]$
• B. $FeSO_4.(NH_4)_2SO_4.6H_2O$
• C. $Fe_{0.94}O$
• D. $Fe_2(CO)_9$

Answer 1

Answer: (D)

$Fe_2(CO)_9$

Answer 2

The correct option is (D): $Fe_2(CO)_9$