Question

What is the dominant

intermolecular force
found between hydrogen
iodide molecules?
Hydrogen
Ion-dipole
Dispersion
Dipole-dipole

Answer 1

Dipole-Dipole

Step-by-step explanation:

Iodine is a halogen is that is partially negative while the hydrogen is partially positive. So it will create this dipole attraction among the molecules.

Not hydrogen bonding since the only molecules that can participate are N, O, F.

Not Ion-Dipole since that is usually for ionic compounds.

Not disperion forces since it's the weakest of the forces.

Answer 2

The dominant intermolecular force between hydrogen iodide molecules is dipole-dipole interaction due to the molecule's polarity.

Step-by-step explanation:

The dominant intermolecular force found between hydrogen iodide (HI) molecules is the dipole-dipole interaction. This occurs because hydrogen iodide is a polar molecule with a partially positive hydrogen atom and a partially negative iodine atom. The molecules align themselves such that opposite charges of neighboring molecules are close to each other, resulting in an attractive force. While London dispersion forces are present in all molecules due to temporary fluctuations of electron distribution, they are not the dominant force in polar molecules like HI. Since hydrogen bonding typically occurs when hydrogen is bonded to highly electronegative atoms like fluorine, oxygen, or nitrogen, it does not apply here as iodine is less electronegative than these atoms.