Answer:
C₂H₄(OH)₂ + 2.5 O₂ ⇒ 2 CO₂ + 3 H₂O
Explanation:
Let's consider the reaction when ethylene glycol burns in air.
C₂H₄(OH)₂ + O₂ ⇒ CO₂ + H₂O
This is a complete combustion reaction in which ethylene glycol reacts with oxygen to form carbon dioxide and water.
First, we will balance the hydrogen atoms.
C₂H₄(OH)₂ + O₂ ⇒ CO₂ + 3 H₂O
Then, we will balance the carbon atoms.
C₂H₄(OH)₂ + O₂ ⇒ 2 CO₂ + 3 H₂O
Finally, we will balance the oxygen atoms.
C₂H₄(OH)₂ + 2.5 O₂ ⇒ 2 CO₂ + 3 H₂O