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

question 20

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)

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Definitions:

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A prominent bone located behind the ear that is part of the temporal bone of the skull, involved in ear structure and function.

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