It's important to note that this is the molecular formula, not the chemical equation. A chemical equation would describe a reaction involving hydroquinone, such as its synthesis or oxidation.

For example, the oxidation of hydroquinone to benzoquinone can be represented as:

C₆H₆O₂ + [O] → C₆H₄O₂ + H₂O

Where "[O]" represents an oxidizing agent, such as oxygen or hydrogen peroxide.