what is hydrogen bonding???
Solution-
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Hydrogen bonding can be defined as an attractive force in which a hydrogen atom of one molecule is attracted to an electronegative atom such as oxygen, nitrogen or fluorine of another molecule.
Let us understand this better with the help of examples:
Consider the case of water. Here, different molecules of water are linked by hydrogen bonds.
Hydrogen bonding is of two types. These are as follow:
1. Intermolecular hydrogen bonding: This type of hydrogen bonding takes place between different molecules of same compound or different compounds. For example hydrogen bonds between the molecules of ammonia.
2. Intramolecular hydrogen bonding: This type of hydrogen bonding takes place between hydrogen and electronegative atom present within the same molecule. For example, in o-nitrophenol, intramolecular hydrogen bonding takes place between hydrogen of – OH group and oxygen of nitro group.