Question

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

options:

A. C2H4 + 3O2 --> 2CO2 + 2H2O


B. H2O + SO3 --> H2SO4


C. 3NaBr + H3PO4 --> Na3PO4 + 3HBr


D. 3Mg + Fe2O3 --> 2Fe + 3MgO

Answer 1

The single replacement reaction among the options is:

D. 3Mg + Fe2O3 --> 2Fe + 3MgO