Q. Catalytic converters, which are fitted into automobiles for reducing the emission of poisonous gases possesses which of the following metals used as catalyst?
A) Platinum
B) Palladium
C) Rhodium
D) All of these
Explanation
Platinum-palladium and rhodium. Catalytic converters are fitted into automobiles for reducing emission of poisonous gases like $NO_{2}$ and CO. They have expensive metals like platinum-palladium and rhodium as catalysts
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.