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← ScienceWhich outcome reduces hydrocarbon yield when platinum catalysts degrade?
A)Decreased active metal surface area✓
B)Enhanced exothermic reaction equilibrium
C)Increased reactant adsorption strength
D)Improved catalyst pore diffusion rate
💡 Explanation
A decrease in active metal surface area inhibits catalysis because the reaction rate drops according to the Sabatier principle; therefore, the number of active sites decreases on degraded catalysts rather than enhanced performance from increased reactant adsorption.
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