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: , 3
Solution:
Reducing smog as is acts as reducing agent, the reducing character is due to presence of sulphur dioxide and carbon particles.