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Which outcome occurs when a catalyst deactivates because of fouling?

A)Increased activation energy for reactants
B)Shift in equilibrium towards less product
C)Surface area reduction halts reaction
D)Enhanced selectivity for side product

💡 Explanation

Increased activation energy results from Diffusion Limitation, because fouling blocks reactant access; therefore reactants require more energy to react rather than altering the equilibrium constant, because equilibrium is a thermodynamic rather than kinetic property.

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