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← ScienceWhich mechanism reduces required reaction temperature in industrial catalytic cracking of petroleum?
A)Catalyst surface adsorption weakening bonds✓
B)Increased reactant concentration equilibrium shift
C)Microwave irradiation stimulating collisions
D)Inert gas dilution raising activation energy
💡 Explanation
When cracking petroleum, catalysts adsorb reactants onto their surface, weakening existing chemical bonds because lowers activation energy via increased proximity, reducing the temperature to initiate reaction. Therefore, surface adsorption results, rather than concentration equilibrium, irradiation, or dilution which influence reaction kinetics via alternate mechanisms.
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