When an iron nail is dipped into a copper sulphate solution, which substance gets displaced?
Copper
When an iron nail is dipped into a copper sulphate solution, a chemical reaction occurs where iron displaces copper from the solution. This is due to iron being more reactive than copper, and it's a classic example of a displacement reaction.
The reaction can be written as:
Fe (s) + CuSO4 (aq) → FeSO4 (aq) + Cu (s)
In this reaction, the iron (Fe) displaces the copper (Cu) due to its higher reactivity, forming iron sulphate (FeSO4) and elemental copper (Cu). Therefore, the substance that gets displaced is copper.
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