AP Chemistry
3.2 Properties of Solids
3.1 Intermolecular and Interparticle Forces
2.7 VSEPR and Hybridization
Multi-Unit
The physical properties of methane and several chlorine-substituted derivatives are shown in the table below.
Based on the data in the table, which of the following best explains why \(\text{CCl}_4\) has a higher normal boiling point than \(\text{CH}_3\text{Cl}\)?
| Substance | Molecular formula | Total electrons | Dipole moment (D) | Normal boiling point (K) |
|---|---|---|---|---|
| Methane | \(\text{CH}_4\) | \(10\) | \(0.00\) | \(112\) |
| Chloromethane | \(\text{CH}_3\text{Cl}\) | \(26\) | \(1.87\) | \(249\) |
| Dichloromethane | \(\text{CH}_2\text{Cl}_2\) | \(42\) | \(1.60\) | \(313\) |
| Trichloromethane | \(\text{CHCl}_3\) | \(58\) | \(1.04\) | \(334\) |
| Tetrachloromethane | \(\text{CCl}_4\) | \(74\) | \(0.00\) | \(350\) |
Based on the data in the table, which of the following best explains why \(\text{CCl}_4\) has a higher normal boiling point than \(\text{CH}_3\text{Cl}\)?
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