An iron nail placed in a solution copper (ll) tetraoxosulphate (VI) is soon covered with a deposit of copper. Which of the following equations represents the reactions ?
When an iron nail is placed in a solution of copper (ll) tetraoxosulphate (VI), the nail is covered with a brown deposit of copper, which means it's solid, and green FeSO4 (Fe2+) is also produced. Perusing the equations in the given options, it's only in option D we have Cu solid as one of it's product. Option D is the correct answer.
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