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← ScienceWhich consequence results when the activation energy requirement diminishes in hydrogenation involving a palladium catalyst?
A)Reaction rate will sharply increase.✓
B)Catalyst poisoning susceptibility will lessen.
C)Equilibrium constant will significantly decrease.
D)Selectivity toward desired products decreases.
💡 Explanation
A lower required activation energy facilitates reactant-catalyst binding via induced fit, increasing reaction rate because it involves the Arrhenius equation's rate constant. Therefore, rate increases; selectivity might decrease, rather than the equilibrium constant decreasing under these specific kinetic changes.
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