Fundamentholfundamenthol
NEET2018Paper 2018Biology
Q.

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

  1. A

    Carbon

  2. B

    Fe

  3. C

    Cl

  4. D

    Oxygen

Solution

UV rays act on CFCs, releasing Cl atoms, chlorine reacts with ozone in sequential method converting into oxygen.

Carbon, oxygen and Fe are not related to ozone layer depletion.

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