Which of the following sets of metals dissolves in dilute HCl?
A.
Fe, Sn and Cu
B.
Mg, Fe and Cu
C.
Mg, Sn and Fe
D.
Cu, Mg and Sn
Correct Answer: Option C
Explanation
Mg, Sn and Fe all dissolve in dilute HCl because they are more reactive and have a greater tendency to lose electrons to form ions. In contrast, Cu does not readily dissolve in dilute HCl.
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