Q.

Which one of the following reactions is an example of metal displacement reaction?

Moderate

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V2O5(s)+5Ca(s)⟶Δ2V(s)+5CaO(s)

2Na(s)+2H2O(I)⟶→NaOH(aq)+H2(g)

Fe(s)+2HCl(aq)⟶HFeCl2(aq)+H2(g)

Cl2(g)+2KI(aq)⟶s2KCl(aq)+l2(s)

answer is 1.

(Detailed Solution Below)

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Detailed Solution

More electro positive metal displaces less electro positive metal.

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