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Engineering Exams RRB-JE Civil and Allied Engineering Technical Abilities 2019 28-Aug-2019 Paper-2 Shift-2 Easy +1 -0.33
Fe + CuSO → FeSO + Cu The above reaction is an example of a-
Correct Answer: B. Displacement reaction
Explanation: The chemical reaction Fe + CuSO4 → FeSO4 + Cu is a classic example of a displacement reaction, specifically a single displacement reaction. In this process, iron (Fe) is more reactive than copper (Cu) according to the reactivity series. As a result, the iron atom displaces the copper ion from the copper sulfate solution, forming ferrous sulfate and depositing solid copper. This reaction is also categorized as a redox reaction because iron undergoes oxidation by losing electrons, while copper undergoes reduction by gaining them.
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