Question

what is hydrogen bonding ?

Answer 1

Hey mate here is your answer....

A hydrogen bond is a partially electrostatic attraction between a hydrogen which is bound to a more electronegative atom such as nitrogen, oxygen, or fluorine, and another adjacent atom bearing a lone pair of electrons. Hydrogen bonds can occur between molecules or within different parts of a single molecule. 

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Answer 2

hey dear here your
answer ::

it is known as ::

A hydrogen bond is a type of attractive (dipole-dipole) interaction between an electronegative atom (especially a nitrogen, oxygen, or flourine atom) and a hydrogen atom bonded to another electronegative atom.
This bond always involves a hydrogen atom.
Hydrogen bonds can occur between molecules or within parts of a single molecule.
A hydrogen bond tends to be stronger than van der Waals forces, but weaker than covalent bonds or ionic bonds.

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