Question

Which of the following reactions is not correct:

(a) Zn+ CuSO4 → ZnSO4 +Cu

(b) 2Ag+Cu(NO3)2→2AgNO3+Cu

(c) Fe+CuSO4→FeSO4+Cu

(d) Mg+ 2HCl→ MgCl2 +H2​

Answer 1

Answer:

The correct answer is option B

Explanation:

Ag is less reactive then Cu so Ag cannot displace Cu