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Which substance is displaced when an iron nail is placed in copper sulphate solution?

Answer and explanation

Correct answer: Copper

Iron is more reactive than copper. Therefore, iron displaces copper from copper sulphate solution, and copper gets deposited on the surface of the nail. The reaction is \(\mathrm{Fe + CuSO_4 \rightarrow FeSO_4 + Cu}\). Iron is not displaced; it takes the place of copper in copper sulphate.

Related tags

ScienceClass10Chemical ReactionsDisplacement ReactionReactivity SeriesCopper Sulphate

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