In the reaction Fe + Cu²⁺ \(\to\) Fe²⁺ + Cu,iron displaces copper ions to from copper. This is due to the fact that

• A.irn is in the metallic from while the copper is in the ionic from
• B.the atomic weight of copper is greater than that of iron
• C.copper is greater than iron
• D.copper metal has more electrons than iron metal
• E.iron is higher in the electrochemical series than copper