In stratosphere, which of the following elements acts as a catalyst in degradation of ozone a release of molecular oxygen?
(1) Carbon

(2) Cl

(3) Fe

(4) Oxygen

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2 Answers

Cl (Chlorine) acts as a catalyst in degradation of ozone a release of molecular oxygen

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Chloro fluoro carbon gives Cl due to U.V. rays that degrade O3

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