Question:
Given below are two statements:
Statement I : An allotrope of oxygen is an important intermediate in the formation of reducing smog.
Statement II : Gases such as oxides of nitrogen and sulphur present in troposphere contribute to the formation of photochemical smog.
In the light of the above statements, choose the correct answer from the options given below:
Correct Option: 1
Solution:
Reducing smog is a mixture of smoke, fog and sulphur dioxide.
Tropospheric pollutants such as hydrocarbon and nitrogen oxide contirbute to the formation of photochemical smog.