Arrange the following metals in which they displace each other from the solution of their salts in decreasing order. Al, Cu, Fe, Mg and Zn
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Answer:
Mg>Al>Zn>Fe>Cu
Explanation:
A metal having stronger reducing power displaces another metal having weaker reducing power from its salt solution.
The increasing order of reducing power is Cu<Fe<Zn<Al<Mg.
Thus, Mg can displace Al from its salt solution but Al cannot displace Mg.
The order in which the metals displace each other from their salt solutions is Mg>Al>Zn>Fe>Cu.
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