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