Which one of the following reactions is catalysed by high-energy ultra

1.	Which one of the following reactions is catalysed by high-energy ultraviolet radiation in the stratosphere?(a) O2 + O → O3(b) O2 → O + O(c) O3 + O3 → 3O2(d) O + O → O2
Answer» Answer is : (b) O₂ → O + O In the stratosphere, ozone is created primarily by ultraviolet radiation. When high energy ultraviolet rays strike ordinary oxygen molecules (O₂), they split the molecule into two single oxygen atoms, known as atomic oxygen. O₂ → O + O A freed oxygen then combines with another oxygen molecule to form a molecule of ozone (O₃).

Which one of the following reactions is catalysed by high-energy ultraviolet radiation in the stratosphere?(a) O2 + O → O3(b) O2 → O + O(c) O3 + O3 → 3O2(d) O + O → O2

Answer»

Answer is : (b) O₂ → O + O

In the stratosphere, ozone is created primarily by ultraviolet radiation. When high energy ultraviolet rays strike ordinary oxygen molecules (O₂), they split the molecule into two single oxygen atoms, known as atomic oxygen.

O₂ → O + O

A freed oxygen then combines with another oxygen molecule to form a molecule of ozone (O₃).

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Which one of the following reactions is catalysed by high-energy ultraviolet radiation in the stratosphere?(a) O2 + O → O3(b) O2 → O + O(c) O3 + O3 → 3O2(d) O + O → O2

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