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  4. Which one of the following compounds shows the presence of intramolecular hydrogen bond ?

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Q. Which one of the following compounds shows the presence of intramolecular hydrogen bond ?

NTA AbhyasNTA Abhyas 2022

Solution:

  • Intramolecular hydrogen bonding:
This types of hydrogen bonding is commonly known as chelation and frequently occurs in organic compounds.
Option 1 is correct answer. In this type, hydrogen bonding occurs in two atoms of the same molecule.
Sometimes intermolecular hydrogen bonding develops a six- or five membered rings.
Solution
In option 2 Benzene is a non polar solvent. Acetic acid is a polar molecule. In benzene, two molecules of acetic acid form inter molecular H-bond and it exists as a dimer in Benzene.
In option 3 Hydrogen Bonding is applicable to hydrogen peroxide through the simplicity of O and H being attracted to each other, forming a bond. Hydrogen bonds tend to be the strongest type of intermolecular forces.
In option 4 The molecule hydrogen cyanide, HCN, does not have hydrogen bonding.