Which one of the following substances will have both dispersion forces and dipole-dipole forces A) HCl B) BCl₃ C) Br₂ D) H₂ E) CO₂

Question

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HCl has both dispersion forces (due to the temporary dipoles that can form) and dipole-dipole forces (due to the permanent dipole moment of the molecule). The other options either have only dispersion forces (BCl3, Br2) or only dipole-dipole forces (HBr, CO).

Which One of the Following Substances Will Have Both Dispersion