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← ScienceWhich consequence results when surface area limits catalytic hydrogenation?
A)Reaction rate decreases overall✓
B)Catalyst self-poisoning accelerates rapidly
C)Increased gas-phase heat accumulation
D)Activation energy requirements increase notably
💡 Explanation
The reaction rate drops because insufficient surface area constrains reactants' interaction during adsorption, which inhibits the reaction. This constraint limits adsorption rather than increasing energy requirements therefore the reaction rate decreases; it does not directly increase heat.
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