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← ScienceWhich outcome results when surface area limits inhibit conversion?
A)Reduced catalyst active site availability✓
B)Increased activation energy barrier magnitude
C)Accelerated product inhibition feedback loop
D)Enhanced mass transport limitations severity
💡 Explanation
Reduced surface area on industrial catalysts diminishes the available active sites, reducing the reaction rate because the **adsorption** mechanism is directly constrained. Therefore, fewer reactant molecules can bind and react, rather than issues arising from increased energy barriers or mass transport at sufficient catalyst amount.
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