Catalytic converters, which are fitted into automobiles for reducing the emission of poisonous gases posses which of the following metals as catalyst? (A) Platinum-Palladium (B) Rhodium (C) Lead (D) Both (A) and (B)
Question
Catalytic converters, which are fitted into automobiles for reducing the emission of poisonous gases posses which of the following metals as catalyst? (A) Platinum-Palladium (B) Rhodium (C) Lead (D) Both (A) and (B)
Solution
The correct answer is (D) Both (A) and (B). Catalytic converters in automobiles use both Platinum-Palladium and Rhodium as catalysts. These metals facilitate the chemical reactions that convert harmful gases into less harmful substances before they are emitted from the vehicle's exhaust system. Lead is not used in catalytic converters because it is not a catalyst for these reactions and is itself a toxic substance.
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