So, why does $\ce{CO2}$ have a higher boiling point than that of $\ce{CO}$? 7 years ago. An intermolecular force is an attractive force that arises between the positive components (or protons) of one molecule and the negative components (or electrons) of another molecule. These forces are weak compared to the intramolecular forces, such as the covalent or ionic bonds between atoms in a molecule. 0 1. Various physical and chemical properties of a substance are dependent on this force. The intermolecular force is the sum of all the forces between two neighboring molecules.The forces result from the actions of the kinetic energy of atoms and the slight positive and negative electrical charges on different parts of a molecule that affect its … This is why many explanations usually take covalent bonds vs intermolecular forces, as covalent bonds rely on sharing of a pair of electrons to form a “physical” bond. Because propane is non-polar, the intermolecular force would be: London Dispersion Forces The intermolecular forces between $\ce{CO2}$ molecules are dispersion forces, while the forces between $\ce{CO}$ molecules are mostly dipole-dipole attraction forces. The type of intermolecular force in a substance, will depend on the nature of the molecules.. Polar molecules have an unequal distribution of charge, meaning that one part of the molecule is slightly positive and the other part is slightly negative. A dipole arises when a charge is not shared equally between two molecules, take for instance a carbon-oxygen bond: The oxygen atom has a greater electronegativity, and so the bonding pair of electrons lies closer to the oxygen atom than the carbon atom. The precise difference between bonding and intermolecular forces is quite vague. Questions left blank are not counted against you. A new page will appear showing your correct and incorrect responses. The Intermolecular of CO is dipole/Dipole because it is a polar molecule. Source(s): https://shorten.im/a8vHg. Anonymous. Whereas intermolecular forces rely on a “force” to bring atoms or molecules together. https://www.khanacademy.org/.../v/intermolecular-forces-and-molecular-bonds CO2 intermolecular forces are sources of attraction between atoms of carbon and oxygen that cause them to join and form carbon dioxide. The intermolecular forces arise due to the presence of dipoles in the molecules. Intermolecular forces are the forces that act between molecules.. He is a single molecule, and therefore not polar, and also is not capable of Hydrogen bonding, and is therefore only capable of dispersion. Answer the following to the best of your ability. Presentation: 23RD. Intermolecular Forces Exercises. 4.3 Chapter summary (ESBMV). The action of intermolecular forces must be observed through a microscope and by analyzing data, including vapor pressure. 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