<u>Answer:</u> The unbalanced chemical equation is written below
<u>Explanation:</u>
Unbalanced chemical equation does not follow law of conservation of mass.
In an unbalanced chemical equation, total number of individual atoms on the reactant side will not be equal to the total number of individual atoms on the product side.
The chemical equation for the formation of ozone gas from oxygen gas:
Hence, the unbalanced chemical equation is written above.