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← ScienceWhich consequence results when incomplete mixing affects catalytic reaction?
A)Reaction rate diminishes significantly, lowers efficiency✓
B)Catalyst undergoes immediate thermal runaway
C)Product selectivity dramatically improves overall
D)Equilibrium favors complete reactant consumption
💡 Explanation
Heterogeneous catalysis depends on even distribution; channeling bypasses the catalyst because lower concentrations change the rate-determining step. Therefore, the overall reaction rate declines dramatically, rather than thermal runaway resulting from hotspots or product concentration shifting equilibrium.
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