If Cadmium Metal and the Fe(III) Ion Are Mixed in Aqueous

Multiple Choice

If cadmium metal and the Fe(III) ion are mixed in aqueous solution, a solution containing Cd(II) and Fe(II) results. The balanced equation for this process is

A) Cd(s) + Fe³⁺(aq) Fe²⁺(aq) + Cd²⁺(aq)
B) Cd(s) + 2 Fe³⁺(aq) 2 Fe²⁺(aq) + Cd²⁺(aq)
C) 2 Cd(s) + Fe³⁺(aq) Fe²⁺(aq) + 2 Cd²⁺(aq)
D) 2 Cd(s) + Fe³⁺(aq) 2 Fe²⁺(aq) + Cd²⁺(aq)