Question
Chemistry Question on Environmental Chemistry
Correct statement about photo-chemical smog is:
A
It occurs in humid climate.
B
It is a mixture of smoke, fog and SO2.
C
It is reducing smog.
D
It results from reaction of unsaturated hydrocarbons
Answer
It results from reaction of unsaturated hydrocarbons
Explanation
Solution
The correct answer is (D) : It results from reaction of unsaturated hydrocarbons
Photochemical smog occurs in warm, dry and sunny climate. The main components of photochemical smog result from the action of unsaturated hydrocarbons and nitrogen oxides.
This is an oxidising smog.