Question

22. Which equation correctly shows the displacement of copper by
magnesium?
a)2Mg + 02 -> 2Mgo
b)Mg + CuSO4 --> MgSO4 + Cu
c)Mg + MgSO4 --> MgSO4 + Mg
d) None of these​

Answer 1

Answer:

option B is a correct answer

Answer 2

Answer:

option b is correct

Explanation:

because magnesium is more reactive than copper

and in a displacement reaction ,the more reactive metal displaces the less reactive metal from its salt.