MHT CET 2024 Chemistry question

Which among the following forces of attraction is developed between polar and non polar molecules?

(A)Dipole-induced dipole interactionCorrect
(B)Ion-dipole interaction
(C)Dipole-dipole interaction
(D)van der Waals forces

Answer: (A)

Solution

A polar molecule has a permanent dipole; when it approaches a non-polar molecule, it distorts the electron cloud of the latter and induces a temporary dipole. The resulting attraction is the dipole-induced dipole (Debye) interaction, option (A); e.g. HCl with

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Question ID VK-095037