Question
Chemistry Question on Environmental Chemistry
Correct statement about smog is
A
NO2 is present in classical smog
B
Classical smog also has high concentration of oxidizing agents
C
Photochemical smog has high concentration of oxidizing agents
D
Both NO2 and SO2 are present in classical smog
Answer
Photochemical smog has high concentration of oxidizing agents
Explanation
Solution
Classical smog occurs in cool humid climate. It is a mixture of smoke, fog and sulphur dioxide. Chemically, it is a reducing mixture and so it is also called as reducing smog. Photochemical smog has high concentration of oxidising agents.