Home / Assignment Help / Which statement best describes the use of catalytic converters in automobiles? A. They decrease the rate of the reactions that produce harmful gases. B. They oxidize hydrocarbons to form less toxic gases. C. They combine the larger hydrocarbon molecules with smaller ones. D. They increase reaction temperature for cleaner burning.

Which statement best describes the use of catalytic converters in automobiles? A. They decrease the rate of the reactions that produce harmful gases. B. They oxidize hydrocarbons to form less toxic gases. C. They combine the larger hydrocarbon molecules with smaller ones. D. They increase reaction temperature for cleaner burning.

Answer:  B. They oxidize hydrocarbons to form less toxic gases.

Explanation:

A catalytic converter is a device which is used in automobile engine to convert the harmful gaseous exhaust into a less toxic pollutant after the process of combustion of the fuel. It conducts an internal redox (oxidation-reduction) reaction in the automobile engine to facilitate such conversion.

On the basis of the above information, They oxidize hydrocarbons to form less toxic gases is the correct option.

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