1.

Take equal quantities of dil HCl in five test tubes. Drop Mg, Zn, Fe, Cu in each test tube. Watch carefully. a. Arrange metals in decreasing order of reactivity. b.Write balanced equations for each reaction.

Answer»

a. Mg > Zn > Fe > Cu

b. Zn + 2HCl → ZnCl2 + H2 

Fe + 2HCl → FeCl2 + H2 

Cu + HCl → No reaction 

Mg + 2HCl → Mg Cl2 + H2



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