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Which outcome results when a catalyst decreases the activation energy barrier in a reversible chemical reaction approaching equilibrium?

A)The rate constants are equally increased
B)The equilibrium shifts to product formation
C)The forward rate constant is selectively improved
D)The reverse rate constant is largely amplified

💡 Explanation

When a catalyst decreases the activation energy, both forward and reverse reaction rates are accelerated equally because the catalyst lowers the activation energy barrier for both pathways according to the Arrhenius equation, thus increasing the rate constants, kf and kr, to the same extent. Therefore, equally increasing constants occurs, rather than equilibrium shift or selectively improved action which alters the kinetics differentially.

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