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Q.
The typical range of molar enthalpies for the strongest intermolecular (hydrogen) bonds is
Delhi UMET/DPMTDelhi UMET/DPMT 2011Chemical Bonding and Molecular Structure
Solution:
The strength of $H$-bond is intermediate between the weak van der Waals forces and the strong covalent bonds. The typical range of the molar enthalpies for the strongest $H$-bond is $4-25 \,kJ$.