JEE Main20231 Feb 2023Morning ShiftChemistryEnvironmental ChemistryActual
How can photochemical smog be controlled?
Options
- ABy using tall chimneys
- BBy complete combustion of fuel
- CBy using catalytic converters in the automobiles/industry
- DBy using catalyst
Correct answer
C. By using catalytic converters in the automobiles/industry
Step-by-step solution
Catalytic converters force CO and incompletely combusted hydrocarbons to react with a metal catalyst, typically platinum, to produce CO 2   and H 2 O . Additionally, catalytic converters reduce nitrogen oxides from exhaust gases into O 2 and N 2 , eliminating the cycle of ozone formation.