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  • Help me understand! - Environmental Chemistry - JEE Main

Assertion: Ozone is destroyed by CFCs in the upper stratosphere.

Reason: Ozone holes increase the amount of UV radiation reaching the earth.
 

  • Option 1)

    Assertion and reason are correct, but the reason is not the explanation for the assertion.
     

  • Option 2)

    Assertion and reason are incorrect.

  • Option 3)

    Assertion is false, but the reason is correct.

     

  • Option 4)

    Assertion reason are both correct, and the reason is the correct explanation for the assertion.

Answers (1)

best_answer

Assertion and reason are correct, but the reason is not the explanation for the assertion.

CF_{2}Cl_{2}\overset{UV}{\rightarrow}Cl^{o}(g)+Cf_{2}Cl^{o}(g)

Cl^{o}(g)+O_{3}\rightarrow ClO^{o}(g)+O_{2}

ClO^{o}(g)+O(g)\rightarrow Cl^{o}(g)+O_{2}

Due to depletion of ozone layer more UV radiation filters into troposphere.


Option 1)

Assertion and reason are correct, but the reason is not the explanation for the assertion.
 

Option 2)

Assertion and reason are incorrect.

Option 3)

Assertion is false, but the reason is correct.

 

Option 4)

Assertion reason are both correct, and the reason is the correct explanation for the assertion.

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