Question

what is hydrogen bonding with example

Answer 1

A hydrogen bond is the electromagnetic attraction between polar molecules in which hydrogen is bound to a larger atom, such as oxygen or nitrogen. This is not a sharing of electrons, as in a covalent bond. Instead, this is an attraction between the positive and negative poles of charged atoms.
A ubiquitous example of ahydrogen bond is found between water molecules. In a discrete water molecule, there are two hydrogen atoms and one oxygen atom.

Answer 2

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One of the atoms is hydrogen, while the other may be any electronegative atom, such as oxygen, chlorine, or fluorine. Hydrogen bonds may form between atoms within a molecule or between two separate molecules. A hydrogen bond is weaker than an ionic bond or a covalent bond, but stronger than van der Waals forces .

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