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← ScienceWhich consequence results when equilibrium shifts near a catalyst's saturation point?
A)Decreased dependence on mass transport✓
B)Reactions become more exothermic overall
C)Increased effective activation energy
D)Reduced independence of rate constants
💡 Explanation
At saturation, nearly all catalyst active sites are occupied; therefore, the reaction rate becomes limited by reactant supply through mass transport, rather than surface reaction kinetics because further increasing reactant concentration has little effect at active sites.
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