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Which equilibrium shift occurs when nickel catalysts degrade?

A)Reduced reactant adsorption near active sites
B)Accelerated reverse rate disproportionately
C)Equilibrium constant increase favours products
D)Decreased activation energy, forward favoured

💡 Explanation

Reduced reactant adsorption follows from catalyst degradation because surface area declines during catalyst poisoning, inhibiting the Langmuir-Hinshelwood mechanism. Therefore, less product is formed, rather than a specific rate change or activation decrease, given catalyst functionality loss.

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