Q. Which one of the following statements regarding photochemical smog is not correct?
A) Photochemical smog does not cause irritation in eyes and throat
B) Carbon monoxide does not play any role in photochemical smog formation
C) Photochemical smog is an oxidizing agent in character
D) Photochemical smog is formed through photochemical reaction involving solar energy
Explanation
[Solution from source] Photochemical smog contains ozone, PAN and aldehydes and causes irritation of the eyes and throat, so the statement saying it does not is incorrect. It is oxidising, forms through sunlight-driven reactions of NOx and hydrocarbons, and CO does not play a role in its formation. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.