CH-736
Oxidising and reducing agents
Chemistry · Secondary 3 · Medium · Oxidising and reducing agents
During the leaching process, copper(II) ions in solution are displaced by scrap iron.
Which ionic equation correctly represents this reaction?
Which ionic equation correctly represents this reaction?
- Fe(s) + Cu²⁺(aq) → Fe²⁺(aq) + Cu(s)
- Fe²⁺(aq) + Cu(s) → Fe(s) + Cu²⁺(aq)
- Fe(s) + Cu⁺(aq) → Fe²⁺(aq) + Cu(s)
- Fe²⁺(aq) + Cu²⁺(aq) → Fe³⁺(aq) + Cu⁺(aq)
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