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← ScienceWhich outcome increases when catalyst deactivation reduces rate constants?
A)Increased parasitic reaction byproduct formation✓
B)Lower activation energy thermodynamic threshold
C)Decreased equilibrium constant favorable conditions
D)Reduced reactant surface area adsorption
💡 Explanation
Catalyst deactivation lowers rate constants, causing higher activation energy demands and favoring slower, unintended reactions; thus, unwanted byproducts increase because selectivity decreases with lower desired-reaction rates, rather than equilibrium or surface adsorption changes.
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