Deduce possible reactions steps (no photolysis) for Mechanism II following X + O3 → XO + O₂ step such that the sum of all mechanism steps does not destroy or create any ozone.
Deduce possible reactions steps (no photolysis) for Mechanism II following X + O3 → XO + O₂ step such that the sum of all mechanism steps does not destroy or create any ozone.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Deduce possible reactions steps (no photolysis) for Mechanism II following X + 03 → XO + O₂
step such that the sum of all mechanism steps does not destroy or create any ozone.
Expert Solution

Step 1: Ozone Formation and Destruction in the Stratosphere
In the stratosphere, UV radiation breaks down ozone into oxygen atoms and molecules. These oxygen atoms can then react with other ozone molecules to form oxygen, or they can react with catalyst X to form XO. XO can then react with another ozone molecule to form X and oxygen.
This catalytic cycle is driven by the destruction of two ozone molecules for every UV photon absorbed. Crutzen's discovery of this catalytic cycle was a remarkable advance in our understanding of ozone depletion. It helped explain why small amounts of man-made pollutants such as chlorofluorocarbons (CFCs) can have such a dramatic effect on the ozone layer
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