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Which mechanism causes increased alkane cracking when zeolite catalysts overheat?

A)Increased vibrational mode excitation
B)Decreased catalyst surface area
C)Enhanced reactants adsorption strength
D)Reduced pore diffusion limitations

💡 Explanation

Increased alkane cracking occurs because rising temperatures leads to increased vibrational mode excitation, breaking C-C bonds more readily; therefore, the reaction accelerates, rather than slowing from diffusion limitations or surface area reduction.

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