The initial color of 1M CuCl2鈥?H20 is blue, once the nails have been added, the color turns green. What is the reaction that causes this? What makes it possible?What type of reaction occurs when placing iron nails in 1M CuCl2鈥?H20?
Displacement, or oxidation-reduction
CuCl2(aq) + Fe(s) ===%26gt; Cu(s) + FeCl2(aq)
Fe2+ is light green.
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