An iron nail was dipped in a blue colored solution in a beaker (image A). The set up was left
undisturbed for some time. The result obtained is shown in image B. Explain the change
observed with the help of a chemical equation.
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When iron nail was dipped in a blue colored solution after some time a brown coating of copper is formed on the surface of iron and the solution changes in to green colour as iron is more reactive than copper.
Fe + Cuso4 ------> FeSo4 + Cu
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