Question

Which of the following pairs cannot undergo displacement reaction? a) FeSO4 and Mg b) ZnSO4 and Fe c) ZnSO4 and Ca d) AgNO3 and Cu

Answer 1

Answer:

c) ZnSO4 and Ca

Explanation:

Zinc sulphate solution and calcium cannot undergo displacement reaction.

This is because zinc is more reactive than iron. Hence, iron cannot displace zinc from zinc sulphate solution.