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(B) Catalytic converters are fitted into automobiles for reducing emission of poisonous gases. They use expensive metals like platinum-palladium and r

Vedclass · Accepted Answer

Lead in petrol activates the catalysts.

Vedclass · Answer

(B) Catalytic converters are fitted into automobiles for reducing emission of poisonous gases. They use expensive metals like platinum-palladium and rhodium as catalysts. As the exhaust passes through the catalytic converter,unburnt hydrocarbons are converted into $CO_2$ and $H_2O$,$CO$ is converted into $CO_2$,and $NO_x$ is converted into $N_2$ gas. Motor vehicles equipped with catalytic converter should use unleaded petrol because lead in the petrol inactivates the catalyst.

Find the incorrect statement with respect to a catalytic converter.

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Reason: Catalytic converters greatly reduce pollution caused by automobiles.

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