In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?
Fe
Carbon
Oxygen
Cl
Solution:
Chlorine acts as a catalyst in the degradation of ozone and the release of molecular oxygen. The reaction occurs as follows: Cl + O3 → ClO ClO + O3 → Cl + 2O2 So, the correct answer is option D.