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Assertion. The catalytic converter in th...

Assertion. The catalytic converter in the car's exhaust system converts polluting exhaust gases into non toxic gases
Reason Catalytic converter contains a mixture of transition metals and their oxides embedded in the inner support

A

If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

B

Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

C

If Assertion is true but Reason is false

D

If both Assertion and Reason are false

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Assertion:** - The assertion states that the catalytic converter in a car's exhaust system converts polluting exhaust gases into non-toxic gases. This is true as catalytic converters are designed to reduce harmful emissions from vehicles. 2. **Identifying the Pollutants:** - The primary pollutants that are typically present in car exhaust include hydrocarbons (HC), carbon monoxide (CO), and nitrogen oxides (NOx). The catalytic converter plays a crucial role in converting these harmful substances into less harmful emissions. 3. **Understanding the Role of the Catalytic Converter:** - The catalytic converter contains catalysts, which are substances that speed up chemical reactions without being consumed in the process. In this case, the catalysts are usually made from a mixture of transition metals such as platinum, palladium, and rhodium, along with their oxides. 4. **Analyzing the Reason:** - The reason states that the catalytic converter contains a mixture of transition metals and their oxides embedded in the inner support. This is accurate as these metals facilitate the redox reactions that convert the harmful gases into less toxic substances. 5. **Redox Reactions:** - The catalytic converter operates through redox reactions. In these reactions, carbon monoxide is oxidized to carbon dioxide, hydrocarbons are oxidized to carbon dioxide and water, and nitrogen oxides are reduced to nitrogen gas and oxygen. 6. **Conclusion:** - Both the assertion and the reason are true. The assertion correctly describes the function of the catalytic converter, and the reason accurately explains the composition of the catalytic converter that enables this function. **Final Answer:** - Both the assertion and the reason are true, and the reason correctly explains the assertion. ---

**Step-by-Step Solution:** 1. **Understanding the Assertion:** - The assertion states that the catalytic converter in a car's exhaust system converts polluting exhaust gases into non-toxic gases. This is true as catalytic converters are designed to reduce harmful emissions from vehicles. 2. **Identifying the Pollutants:** - The primary pollutants that are typically present in car exhaust include hydrocarbons (HC), carbon monoxide (CO), and nitrogen oxides (NOx). The catalytic converter plays a crucial role in converting these harmful substances into less harmful emissions. ...
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