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Which consequence increases when a chemical reaction's rate decreases?

A)Product yield diminishes over time
B)Activation energy barrier lowers significantly
C)Catalyst effectiveness increases dramatically
D)Equilibrium constant value increases rapidly

💡 Explanation

If the rate of a reaction slows, the reaction takes longer; therefore product yield within a given timeframe diminishes, because reactants are consumed slower. Thus, option A is correct, rather than other options involving inherent reaction parameters.

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