C₂H₄ + O₂ → CO₂ + H₂O How many bonds are broken when performing the reaction? How many bonds are formed?
a) Bonds broken: 4; Bonds formed: 6
b) Bonds broken: 2; Bonds formed: 4
c) Bonds broken: 6; Bonds formed: 4
d) Bonds broken: 4; Bonds formed: 4