Question

Which of the following reactions is an example of a single replacement reaction?

Select one:
a. Fe + CuSO4 --> FeSO4 + Cu
b. H2O --> H2 + O2
c. H2O2 --> H2O + O2
d. Na + Cl --> NaCl

Answer 1

Answer:

A

Explanation:

This is the only reaction where a element is displaced out of a solution and turn a soild, due to it been less reactive than the other causing its displacement The electrochemical series can be used as reference.