NEET Solved Paper 2018 Question 26

Question: In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen? [NEET - 2018]

Options:

A) Fe

B) Cl

C) Carbon

D) Oxygen

Show Answer

Answer:

Correct Answer: B

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