Which outcome reduces product yield when an exothermic reaction reaches equilibrium in a closed reactor?

💡 Explanation

As an exothermic reaction reaches equilibrium at higher temperatures, Le Chatelier's principle dictates a shift favoring the reverse reaction, because equilibrium shifts to counteract heat increase, thus diminishing product formation. Therefore the reverse reaction rate increases, rather than catalyst poisoning, reduced deviation or polarisation which depend on specific chemical processes.

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