Question

Tropospheric ozone is an important ingredient of photochemical smog. London smog event was an example of oxidising smog formed by photochemical reaction in troposphere. Which of the following is most appropriate?

• A. Both (A) and (R) are correct and (R) is the correct explanation of (A)
• B. Both (A) and (R) are correct but (R) is not the correct explanation of (A)
• C. (A) is correct but (R) is not correct
• D. (A) is not correct but (R) is correct

Hint:

London smog (1952) = reducing/sulphurous smog (SO$_2$ + fog + coal smoke). Photochemical smog = oxidising smog (O$_3$, PAN, NOx + sunlight).

Answer 1

The Correct Option is C