JEE PYQ: Environmental Chemistry Question 3
Question 3 - 2021 (17 Mar Shift 1)
Reducing smog is a mixture of:
(1) Smoke, fog and $\text{O}_3$
(2) Smoke, fog and $\text{SO}_2$
(3) Smoke, fog and $\text{CH}_2=\text{CH}-\text{CHO}$
(4) Smoke, fog and $\text{N}_2\text{O}_3$
Show Answer
Answer: (2)
Solution
Reducing or classical smog is the combination of smoke, fog and $\text{SO}_2$.