======Copper Plating Iron====== **Materials: **{{$demo.materials_description}}\\ **Difficulty: **{{$demo.difficulty_description}}\\ **Safety: **{{$demo.safety_description}}\\ \\ **Categories:** {{$demo.categories}} \\ **Alternative titles:** Single Displacement Redox Reaction ====Summary==== {{$demo.summary}} ====Procedure==== - Fill a small beaker with copper sulfate solution. - Place a clean iron nail into the solution. - Leave the nail in the solution for several minutes. - Observe the reddish-brown copper coating forming on the nail (it probably won't be smooth, but copper will form). - Note the gradual fading of the blue color in the solution as Cu²⁺ ions are replaced by Fe²⁺ ions. ====Links==== Redox Single Displacement Reaction of Copper 2 Sulfate & Iron in RamZland - RamZland: {{youtube>mN31mt_OL4U?}}\\ 📄 Copper Plating (Single displacement with iron/CuSO₄) - Dnnovate Ltd.: [[https://www.medhavatika.com/copper-plating-single-displacement-with-iron-cuso%E2%82%84/]]\\ ====Variations==== * Use steel wool or different forms of iron instead of an iron nail. * Compare the displacement reactions of different metals (e.g., zinc or magnesium in copper sulfate solution). * Measure the mass of the iron nail before and after to quantify copper deposition. ====Safety Precautions==== * Avoid contact of copper sulfate with eyes and wash hands after the experiment. * Dispose of the copper sulfate solution according to local regulations; do not pour down the drain. ====Questions to Consider==== * Why does copper coat the iron nail? (Iron is more reactive than copper and displaces it from solution.) * What evidence shows a chemical reaction has taken place? (Deposition of copper, fading of blue solution, formation of Fe²⁺ ions.) * How is this reaction an example of redox? (Iron undergoes oxidation to Fe²⁺, while Cu²⁺ undergoes reduction to copper metal.) * What role does the reactivity series play in predicting whether displacement will occur? (A more reactive metal will displace a less reactive one from its compound.)