Question
Give an example of displacement reaction.
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Answer
when zinc granules are added to the blue coloured copper sulphate solution, the zinc ions formed from zinc atoms take the place or $Cu ^{2+}$ ions in $CuSO _4$, and copper atoms, formed from $Cu ^{2+}$ ions comes out i.e. the more reactive zinc displaces the less reactive Cu from copper sulphate.
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