Question

Following equation shows the reaction between metal 'x' and cuSO4 .'x' metal among Fe and Ag. name the compound formed
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Answer 1

Explanation:

when Fe reacts with CuSO4:

Fe+ CuSO4 = FeSO4+Cu (Fe displaces Cu because it's more reactive than Copper Cu)

when Ag reacts with CuSO4:

Ag + CuSO4= no change (Silver Ag is less reactive than Copper Cu)