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← ScienceIn a molecular sieve with constrained pore sizes, which consequence results when excessively large molecules are introduced?
A)Reduced adsorption capacity occurs✓
B)Increased rate of diffusion happens
C)Enhanced structural framework stability
D)Catalytic activity is promoted
💡 Explanation
Reduced adsorption occurs because steric hindrance prevents entrance of oversized molecules, therefore blocking pores; this molecular exclusion is based on size exclusion, rather than diffusion changes or chemical catalysis.
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