Study the following unbalanced redox reaction. Which equation represents the balanced redox equation? Fe + Cl2 → FeCl3
A) Fe + 2Cl2 → 3FeCl3
B) Fe + 4Cl2 → 4FeCl3
C) 2Fe + 3Cl2 → 2FeCl3
D) 4Fe + 2Cl2 → 3FeCl3