Sample pieces of five metals A, …
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Preeti Dabral 2 years, 9 months ago
(1) Metal E is most reactive because it displaces zinc from {tex}ZnSO_4{/tex} solution.
(2) Metal C is the least reactive since it has not displaced any of the metals from their respective salt solutions.
(3) Metal D is more reactive than Ag and less reactive than Fe. It can displace Cu from {tex}CuSO_4{/tex} solution.
(4) Since metal E has displaced Zn from {tex}ZnSO_4{/tex} solution, it is more reactive than Zinc. It is therefore expected to be more reactive than iron as well because iron is placed below zinc in the reactive series. Therefore, metal E displaces Fe from {tex}FeSO_4{/tex} solution. A grey /black coating of iron will be deposited on the metal E.
(5) Decreasing order of reactivity E>B>D>A>C
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