Question

5th one can u pleas say answer

Answer 1

Hey mate your answer of this question is

(C)

As in the 1st reaction copper(Cu) is displaced by iron(Fe). This shows copper is less reactive then iron

and in 2nd silver (Ag) is displaced by copper. This shows that copper is more reactive then Silver

Thus answer is option (C)

Hope it helps...

Answer 2

copper is displaced by iron in 1st because iron is most reactive than it. and in 2nd silver(Ag) is displaced by irom.
so option c. is correct