The forces acting on butane are London dispersion forces and dipole-dipole interactions. London dispersion forces are temporary attractive forces between nonpolar molecules, while dipole-dipole interactions occur between polar molecules due to the attraction of partial charges.
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The intermolecular forces present in C4H10 (butane) are primarily London dispersion forces. As a nonpolar molecule, butane does not have dipole-dipole interactions or hydrogen bonding. The London dispersion forces result from temporary dipoles that occur due to fluctuations in electron distribution within the molecule.
Butane has a higher boiling point than propane because it has more carbon atoms in its molecule, making its intermolecular forces stronger. These stronger forces require more energy to overcome, resulting in a higher boiling point for butane compared to propane.
Butane would be expected to have the highest boiling point among methane, ethane, propane, and butane. This is because as the number of carbon atoms in the alkane chain increases, so does the strength of the intermolecular forces (London dispersion forces), leading to higher boiling points.
The intermolecular forces of 1-(2-propoxy-2-methyl)-butane include van der Waals forces such as London dispersion forces and dipole-dipole interactions due to the presence of polar functional groups in the molecule like the oxygen in the propoxy group. Additionally, hydrogen bonding may also be present between the oxygen atom in the propoxy group and the hydrogen atoms of neighboring molecules.
The intermolecular forces present in C₄H₁₀ (butane) are London dispersion forces and van der Waals forces. These forces are a result of temporary fluctuations in electron distribution within the molecules, leading to weak attractions between molecules.