Choose the correct statement regarding the catalytic coverters.

Options

A. Motor vehicles equipped with catalytic converter should use leaded petrol
B. Catalytic converters have expensive metals namely platinum-palladium and rhodium as catalyst
C. Catalytic converters help in reducing particulate matter
D. As the exhaust passes through the catalytic converter nitrogen gas is Converted to nitric oxide

Answer

B

Explanation

Catalystic converters are fitted for reducing emission of poisonous gases. As the exhaust passes through , the catalytic converter, unburnt hydro-carbons are converted into carbon dioxide and water, and carbon monoxide and nitric oxide are changed to carbon dioxide and nitrogen gas respectively.