In the stratosphere,which of the following el | vedclass

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(D) In the stratosphere,chlorofluorocarbons $(CFCs)$ are broken down by ultraviolet $(UV)$ radiation,which releases chlorine atoms $(Cl)$.These chlori

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$Cl$

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(D) In the stratosphere,chlorofluorocarbons $(CFCs)$ are broken down by ultraviolet $(UV)$ radiation,which releases chlorine atoms $(Cl)$.These chlorine atoms act as catalysts in the degradation of ozone $(O_3)$ into molecular oxygen $(O_2)$.The reaction mechanism is as follows:$Cl + O_3 \rightarrow ClO + O_2$$ClO + O \rightarrow Cl + O_2$Thus,the chlorine atom is regenerated and continues to destroy more ozone molecules.

In the stratosphere,which of the following elements acts as a catalyst in the degradation of ozone and the release of molecular oxygen?

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