Chemistry Intermolecular Forces Solution: The table below lists the density of O2 at various...

Solution: The table below lists the density of O2 at various temperatures and at 1 atm. The normal melting point of O2 is 54 K.Temperature (K)Density (mol/L)6040.17038.68037.29035.61000.1231200.1021400.087What intermolecular forces are operative in O2?

Problem

The table below lists the density of O2 at various temperatures and at 1 atm. The normal melting point of O2 is 54 K.


Temperature (K)Density (mol/L)
6040.1
7038.6
8037.2
9035.6
1000.123
1200.102
1400.087


What intermolecular forces are operative in O2?

Solution

We have to determine which intermolecular forces are present in oxygen (O2).


Recall that there are several types of intermolecular forces:

1. Ion-dipole interaction – occurs between an ion and a polar covalent compound

2. Hydrogen bonding – occurs in compounds where hydrogen is directly connected to an electronegative element such as N, O, or F

3. Dipole-dipole interaction – occurs between two polar covalent compounds

4. Induced-dipole interaction – occurs when a nonpolar compound interacts with a polar compound

5. Dispersion forces – occurs in all compounds. This is the primary intermolecular force exhibited by nonpolar compounds.

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