Multiple choice Which gas destroys stratospheric ozone? Cl2F2C CO NO2 SO2 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Cl2F2C, also known as Dichlorodifluoromethane or Freon-12, is a chlorofluorocarbon (CFC) that releases chlorine atoms in the stratosphere, which catalyze the destruction of ozone molecules.