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← ScienceWhich consequence results when increased catalyst surface fouling?
A)Reaction rate declines significantly✓
B)Activation energy barriers decline
C)Equilibrium constant shifts favorably
D)Number of active sites increase
💡 Explanation
Surface fouling blocks active sites on the catalyst, inhibiting reactant binding, because fewer molecules can interact via adsorption; therefore reaction rate decreases, rather than increasing as the reaction order changes.
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