What compounds have dipole-dipole forces?

Answer 1

Polar ones.

Due to the intermolecular nature of dipole-dipole forces, attraction takes place between a partially positive molecule and a partially negative molecule next to it.

The Cl atom is far more electronegative than the H atom [draws the bonding pair of electrons towards itself], which creates polarity and, consequently, the dipole-dipole attraction in liquid HCl. Polarity is created by atoms with different electronegativity values, such as HCl.

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Answer 2

Jacob Anderson

Compounds with polar molecules, such as hydrogen fluoride (HF), hydrogen chloride (HCl), and water (H2O), exhibit dipole-dipole forces.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.