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← ScienceWhich outcome reduces yield if intermediate conversion decreases within a packed bed reactor?
A)Catalyst poisoning will accelerate rapidly
B)Kinetic isotope effects become amplified
C)Reverse reaction inhibition increases sharply
D)Selectivity to side-products rises drastically✓
💡 Explanation
Lower intermediate conversion negatively influences yield because increased surface residence drives further unwanted reactions. Undesired side-product formation accelerates based on Sabatier's principle; therefore, the selectivity drops rather than speeding catalyst deactivation because temperature remains ideal.
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