Question

why ozone gas in stratosphere is useful but ozone gas in troposphere is harmful??

Answer 1

ozone gas in stratosphere oxygen is in the form of O3 it bonds with other O3 molecules to attain stability. When ozone gas is in troposphere, the electronic negative elements like S, N ,F,C combines with dissasotiated ozone molecules ( O2,O).Hence they form sulphur dioxide, carbon monoxide, etc these generally causes acid rains and the consequences of acid rains are next followed