Respuesta :
Dipole-induced dipole attraction intermolecular force governs the solubility of 9-fluorenone in diethyl ether.
A dipole-induced dipole attraction is a type of weak attraction as it results when a polar molecule induces a dipole either in an atom or in a non-polar molecule by disturbing the electron arrangement in the particular non-polar species.
Most organic molecules are polar since they have a dipole moment. On behalf of solvents, polarity refers to solvents having higher polarity, and non-polar solvents with lower polarity. Diethyl ether is located at the lower end of the polarity scale and is generally considered a type of 'non-polar' solvent. Therefore, diethyl ether has a small dipole.
As Diethyl ether has a very low polarity value, if any, it is clear that H-bonding is not possible. London dispersion forces are present in all either polar or non-polar molecules, so it is clear that they are present here too. Since it is slightly polar so it may be exhibiting weak dipole-dipole interactions.
Carbon-donated hydrogen bonding is a real thing but they are generally very very weak non-covalent interactions. . London Dispersion Force is present in every chemical system but is weak as well . There are many exceptions where these forces may be significant in the case of binding energies of several dispersion-dominated molecules.
Therefore, the solubility of 9-fluorenone in diethyl ether is governed by dipole-induced dipole attraction or London dispersion forces.
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