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← ScienceWhich consequence results when a solid catalyst prematurely deactivates?
A)Increased activation energy pathway
B)Reduced surface reaction sites✓
C)Elevated product inhibition constant
D)Lowered equilibrium conversion endpoint
💡 Explanation
Deactivation of a solid catalyst reduces surface reaction sites, because surface area for adsorption decreases as the mechanism of catalyst poisoning takes effect, therefore the reaction rate declines, rather than altering the fundamental activation energy.
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