A catalytic converter uses a catalyst to catalyze three reactions that clean up the exhaust from an auto engine. Which element is not used as a catalyst in catalytic converters?

Question

Quizplus · Accepted Answer

Sulfur is not used as a catalyst in catalytic converters. Instead, it is often a component in the fuel that can actually poison catalytic converters. Platinum, Rhodium, and Palladium are used as catalysts to facilitate the conversion of harmful gases into less harmful ones.

A Catalytic Converter Uses a Catalyst to Catalyze Three Reactions