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Question

Which of the following inter-molecular forces are present in ‘nylon – 6,6’?


A
Vander Waals
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B
Hydrogen bonding
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C
Dipole-dipole interaction
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D
None of these
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Solution

The correct option is C Hydrogen bonding
Van der Waals forces include attraction and repulsions between atoms, molecules, and surfaces.

Hydrogen bonding is a special type of attraction between a hydrogen atom covalently bonded to a very electronegative atom such as  N, O, or F atom and another very electronegative atom.

Dipole-dipole interactions occur when the partial charges formed within one molecule are attracted to an opposite partial charge in a nearby molecule.

From the picture of Nylon-6,6, we can see there is hydrogen bonding between oxygen and hydrogen atom.

Though hydrogen bonds are also one type of dipole-dipole attraction, here, more appropriate answer will be - The intermolecular forces are present in nylon-6,6 are hydrogen bonding.

Hence, option $$B$$ is correct.

1636165_1764698_ans_19a7c6a258264c34b6420d6cfa3ef284.JPG

Chemistry
NCERT
Standard XII

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