Question

Write down the reaction that takes place in the depletion of ozone layer

Answer 1

ozone molecule changes to oxygen where Cl- act as a catalyst

Answer 2

Reactions that take place on polar stratospheric clouds (PSCs) play an important role in enhancing ozone depletion. PSCs form more readily in the extreme cold of the Arctic and Antarctic stratosphere. This is why ozone holes first formed, and are deeper, over Antarctica.