Final answer:
The reaction 2Ag2O(s) + 4Ag(s) + O2(g) is a decomposition reaction, where the silver oxide decomposes into silver and oxygen gas. Therefore, the correct option is C.
Step-by-step explanation:
The chemical equation 2Ag2O(s) + 4Ag(s) + O2(g) represents a redox reaction involving silver oxide (Ag2O), silver (Ag), and oxygen (O2) is decomposition reaction.
In a decomposition reaction, a single reactant breaks down into two or more simpler products. In this case, silver oxide (Ag2O) decomposes into silver (Ag) and oxygen gas (O2). The reaction can be represented as:
2Ag2O(s) → 4Ag(s) + O2(g)
The silver oxide breaks down into elemental silver and oxygen. Therefore, the correct classification for this reaction is decomposition.
Therefore, the correct option is C.