Question : Which of the following metals can deposit copper from copper sulphate solution?
Option 1: Platium
Option 2: Mercury
Option 3: Iron
Option 4: Gold
Correct Answer: Iron
Solution : The correct option is Iron.
Through a displacement or redox process, iron (Fe) may deposit copper from a copper sulphate (CuSO4) solution. The following is a representation of the reaction:
CuSO4(aq) + Fe(s) -> FeSO4(aq) + Cu(s)
; Iron (Fe) displaces copper (Cu) from the copper sulphate solution in this reaction, producing ferrous sulphate (FeSO4) and depositing solid copper (Cu) as a reddish-brown precipitate. Because iron is more reactive than copper in this situation, it can replace copper in the complex, resulting in copper metal deposition.
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