Ncert Exercises & Solutions

How is ozone produced in stratosphere?

Ozone in stratosphere is a product of action of UV-radiations on dioxygen (O₂) molecules. The UV radiation splits apart molecular oxygen into free oxygen atoms. These oxygen atoms combine with the molecular oxygen to form ozone.

O_{2} (g) \to_{UV - radiation}^{hv} O + O

O_{2} (g) + O (g) ⇌_{Radiations}^{UV} O_{3}

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