Practice — Chemical Substances - Nature and Behaviour — StudyLoop

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An iron nail is kept in blue copper sulphate solution. After some time, the solution turns pale green and a brown deposit appears. Which balanced equation best explains the observation?

Choose an answerA.

Cu + FeSO_4 \rightarrow CuSO_4 + Fe

B.

Fe + CuSO_4 \rightarrow FeS + CuO_4

C.

Fe + CuSO_4 \rightarrow FeSO_4 + Cu

D.

Fe_2O_3 + 3Cu \rightarrow 2Fe + 3CuO

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