Question:medium

Two Stage Catalytic Convertors are used in vehicles for _____ in tail end emissions.

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Stage 1: NO $\rightarrow$ N$_2$ (reduction). Stage 2: CO $\rightarrow$ CO$_2$ (oxidation). Three-way catalytic converters handle NO, CO, and HC simultaneously.

Updated On: May 26, 2026

Oxidation of NO and CO
Oxidation of NO and reduction of CO
Reduction of NO and Oxidation of CO
Reduction of NO and CO

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The Correct Option is C

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