Question

Q20.
Which of the following pair will show
displacement reaction?
A Copper sulphate (CuSO4) +
Iron nail (Fe)
B
Zinc sulphate (ZnSO4)+
Copper turnings (Cu)
C
Zinc sulphate (ZnSO4+
Iron(Fe)
D
none of these​

Answer 1

Answer:

A]

Equation :

Fe + CuSO4(aq) → FeSO4(aq) + Cu(s)

Reason :

Because Iron is more reactive than copper so it will displace copper by salt solution.