Question

Can a combination reaction be an oxidation reaction?

Answer 1

Yes, a combination reaction can become an oxidation reaction if one of the reactants is oxygen. For instance,

${\mathrm{N}}_2\left(\mathrm{g}\right)+{\mathrm{O}}_2\left(\mathrm{g}\right)\to 2\mathrm{NO}\left(\mathrm{g}\right)$

Explanation:

In the above reaction:

1. Nitrogen gas combines with oxygen and results in the formation of nitric oxide in gaseous form. So, this is a combination reaction.
2. Also, the addition of oxygen to the nitrogen gas is taking place which is one of the criteria of the oxidation reaction. Therefore , this clearly shows that a combination reaction can be an oxidation reaction.