Question

Study the following reaction carefully. What classification should this reaction have?

4Al + 3O2 2Al2O3


synthesis

decomposition

single replacement

double displacement

Answer 1

Synthesis reaction

Step-by-step explanation:

Synthesis reaction: two or more compounds combine to form one.

A + B → C

Decomposition reaction: one compound forms two or more.

C → A + B

Single replacement reaction: an element in one compound is replaced with another element.

AB + C → AC + B

Double replacement reaction: elements in two compounds replace each other.

AB + CD → AC + BD