Question

The hydrogen bonding is the strongest of the secondary bonds but still weaker than a covalent bond. Why?

Answer 1

Answer:

Depending on the nature of the donor and acceptor atoms which constitute the bond, their geometry, and environment, the energy of a hydrogen bond can vary between 1 and 40 kcal/mol. This makes them somewhat stronger than a van der Waals interaction, and weaker than fully covalent or ionic bonds.

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Answer 2

Answer:

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