IGNOU MCHE 13 2025 2026 - In what ways does preorganization reduce the entropic

Question

In what ways does preorganization reduce the entropic penalty during binding?

01 Mar 2026

Answer :

Word Count : 242

Preorganization plays a critical role in supramolecular chemistry by minimizing the entropic cost associated with host–guest complex formation. In a typical binding event, the host and guest molecules must adopt complementary conformations to fit together, which often requires a reduction in their rotational and translational freedom, leading to a significant entropic penalty. Preorganized hosts, however, are designed in such a way that their binding sites already adopt a geometry closely complementary to the guest molecule. As a result, the host does not need to undergo extensive conformational rearrangements, reducing the loss of entropy during

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