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← ScienceWhich consequence results when catalyst carrier particle size reduction plateaus below turnover rate influencing effective surface area?
A)Arrhenius constant remains unaffected
B)Catalytic activity reaches maximum
C)Reaction rate constant stabilizes✓
D)System reaches equilibrium prematurely
💡 Explanation
The reaction rate constant stabilizes because the **active site saturation** limits further rate increases despite increased surface area on a nanoscopic scale; therefore, the observed rate plateaus rather than continuing linear increase because physical transport limitations intervene.
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