Question

10. Which among the following reactions is/are not
correct?
(a) CuSO4 + Zn → ZnSO4 + Cu
(b) ZnSo, + Fe - → FeSO4 + Zn
(c) CuSO4 + Fe → FeSO4 + Cu
(d) FeSO4 + Cu → CuSO4 + Fe
(1) Only (d)
(2) Both (b) and (d)
(3) Both (a) and (c) (4) Both (b) and (c)​

Answer 1

Answer:

The answer : option (4) both b and c

It is based on the reactivity series.

You may also refer to the attachment provided....

Answer 2

option 2 is correct

explaination------ in eq b) zn is more reactive then fe thus Fe will not displace zn from it's solution

D) here Fe is more reactive then cu hence it cannot displace Fe from it's solution.

HOPE IT WILL HELP!