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Which outcome results when a molecular sieve's operating temperature surpasses limits?

A)Reduced adsorbate binding affinity
B)Increased framework vibrational modes
C)Accelerated crystal phase transitions
D)Enhanced analyte quantum tunneling

💡 Explanation

Reduced adsorbate binding affinity weakens the intermolecular potential and decreases adsorption because thermal energy exceeds the binding energy within the molecular sieve. Therefore, the capture rate falls, rather than material properties shifting because this is driven mainly by kinetic considerations.

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