CH-1281

Catalytic converters

Chemistry · Secondary 4 · Medium · Catalytic converters

A catalytic converter in a car exhaust removes harmful gases.

Which equation shows how carbon monoxide and nitrogen monoxide are converted into less harmful gases in a catalytic converter?

$2\text{CO}(g) + 2\text{NO}(g) \rightarrow 2\text{CO}_2(g) + \text{N}_2(g)$
$2\text{CO}_2(g) + \text{N}_2(g) \rightarrow 2\text{CO}(g) + 2\text{NO}(g)$
$\text{CO}(g) + \text{O}_2(g) \rightarrow \text{CO}_2(g) + 2\text{NO}(g)$
$2\text{NO}_2(g) \rightarrow 2\text{NO}(g) + \text{O}_2(g)$

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