Question

Which type of attractive forces do you expect between HCl3,HF,HCL?

Answer 1

I am no chemist but those are all compounds between Hydrogen and halogens which desperately want to grab an electron to fill their outer shells so I would expect Hydrogen bonds where the Hydrogen partially gives up its sole electron.

Answer 2

The type of force is therefore electrostatic (Coulomb) force in the simple model of atoms.