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← ScienceWhich equilibrium shift arises when rhodium catalysts degrade?
A)Reduced hydrogenation reaction conversion rate✓
B)Increased partial pressure of hydrogen
C)Enhanced rate of alkene polymerization
D)Suppressed adsorption of reactants
💡 Explanation
A deactivated catalyst surface reduces the effective reaction sites; therefore, the hydrogenation reaction conversion rate decreases instead of increasing, because the surface area lowers due to catalyst poisoning rather than reactant concentration changes.
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