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NEET
Exam
NEET
Subject
Chemistry
Chapter
Environmental Chemistry

NEET · Chemistry · Environmental Chemistry

How is ozone formed in the stratosphere?

How is ozone formed in the stratosphere?

Options

  1. AOzone is a natural byproduct of photosynthesis.
  2. BOzone is formed by the combustion of fossil fuels.
  3. COzone is produced when UV radiation splits molecular oxygen.
  4. DOzone is a byproduct of volcanic eruptions.

Correct answer

C. Ozone is produced when UV radiation splits molecular oxygen.

Step-by-step solution

Ozone in the stratosphere is formed when UV radiation breaks apart molecular oxygen (O2) molecules, creating free oxygen (O) atoms that combine with molecular oxygen to form ozone (O3).
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