Question

Which of the following is displaced by Cu'?
(a) Fe2+
(b) Ag+
(c) Zn2+
(d) Al3+​

Answer 1

Answer:

Ag —— Silver

Explanation:

Copper is less reactive than Iron, Zinc, and Aluminium. So it cannot displace them. However Cu is more reactive than Ag. So It can Displace silver

Answer 2

Answer:

Ag

is the correct answer