JEE Main Chemistry question

The attraction that non-polar molecules have for each other is primarily caused by:

(A)Hydrogen bonding
(B)Difference in electronegativities
(C)High ionisation energy
(D)Van der Waals' forcesCorrect

Answer: (D)

Solution

Non-polar molecules have no permanent dipole and no H atoms bonded to F/O/N, so neither hydrogen bonding nor dipole-dipole attraction (which needs an electronegativity difference) is available. Instead,

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Question ID VK-133664