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Which risk increases when surface treatment of a catalyst is flawed?

A)Reaction rate decreases significantly
B)Equilibrium constant shifts unfavorably
C)Activation energy increases dramatically
D)Pressure drop across reactor increases

💡 Explanation

Reaction rate decreases because catalyst surface area determines the number of active sites where reactions occur, and flawed treatment inhibits adsorption; therefore, fewer reactants adsorb and fewer conversion events happen, lowering the reaction rate, rather than affecting the equilibrium itself or the pressure only.

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