Question

18. (iii) Fe + CuSO. FeSO. + Fe
Zn + Feso, ZnSO4 + Fe
2Al +3ZnSO. -Al2(SO4)3 +3Zn
Arrange Fe, Zn, Al and Cu in decreasing order of reactivity on the basis of above
reactions.
(a) Al, Zn, Fe, Cu
(b) Fe, Cu, Zn, Al
(c) Zn, Cu, Fe, Al
(d) AI, Zn, Cu, Fe​

Answer 1

Answer:

(a) Al, Zn, Fe, Cu

Explanation:

Consider the Reactivity series of metals that is attached as image.

Here, as you can see Al, Zn, Fe, Cu are in decreasing order which is the required answer.

OM NAMAH SHIVAYA

Debasish Biswal