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← ScienceWhich outcome results when a catalyst degrades during synthesis?
A)Decreased reaction volumetric production rate✓
B)Increased product equilibrium concentration
C)Elevated system operating temperature
D)Reduced activation reactant energy barrier
💡 Explanation
Catalyst degradation reduces active surface area, which decreases reaction rate because surface adsorption, a step in the catalytic mechanism, becomes limiting; therefore, reactor production rate declines, rather than temperature increases or changes in thermodynamic equilibrium being observed.
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