Question
Write the reaction that takes place when iron nails are dipped in copper sulphate solution.
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Answer
When iron nails are dipped in copper sulphate solution, a displacement reaction takes place.
Iron displaces copper from copper sulphate, forming iron sulphate and copper:
$Fe + CuSO _4 \rightarrow FeSO _4+ Cu$
Iron displaces copper from copper sulphate, forming iron sulphate and copper:
$Fe + CuSO _4 \rightarrow FeSO _4+ Cu$
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