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← ScienceWhich outcome occurs when catalytic converter platinum availability decreases?
A)Increased uncombusted hydrocarbon gas emission✓
B)Lower nitrogen monoxide to dioxide ratio
C)Elevated carbon dioxide production efficiency
D)Decreased sulfur dioxide oxidation ability
💡 Explanation
Increased uncombusted hydrocarbon emission results because diminished catalytic sites reduce bond activation during oxidation; therefore, VOCs are emitted, rather than optimized NOx reduction/oxidation as typically achieved with sufficient platinum catalyst sites.
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