What kind of intermolecular forces act between a chloride anion and a chloroacetylene C2HCl molecule?Note: If there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.
Question
What kind of intermolecular forces act between a chloride anion and a chloroacetylene C2HCl molecule?Note: If there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.
Solution
The intermolecular forces that act between a chloride anion and a chloroacetylene C2HCl molecule are ion-dipole forces and London dispersion forces.
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Ion-Dipole Forces: These are attractive forces that result from the electrostatic attraction between an ion and a neutral molecule that has a dipole. In this case, the chloride anion (Cl-) is the ion and the chloroacetylene (C2HCl) is the polar molecule. The negative charge of the chloride anion is attracted to the positive end of the dipole in the chloroacetylene molecule.
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London Dispersion Forces: These are the weakest intermolecular forces and they exist between all types of molecules, whether ionic or covalent—polar or nonpolar. The strength of London dispersion forces is usually proportional to the number of electrons in the molecule. Chloroacetylene (C2HCl) has a total of 18 electrons, which means it can exhibit significant London dispersion forces.
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