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Which consequence results when catalyst regeneration becomes infeasible in a catalytic converter?

A)The reaction rate plateaus prematurely
B)Increased NOx production independently
C)Hydrocarbon slip returns to baseline
D)Three-way functionality is instantly optimized

💡 Explanation

The reaction rate suffers premature plateauing because catalyst poisoning overwhelms the regeneration process; therefore, the active sites remain blocked. This limit leads to decreased overall turnover, rather than specifically impacting NOx, hydrocarbons, or providing optimal performance independently.

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