AP Chemistry
3.1 Intermolecular and Interparticle Forces
The condensed structural formulas of three constitutional isomers with the molecular formula \(\text{C}_5\text{H}_{12}\) are shown in the table below.
Which of the following correctly ranks the isomers from highest to lowest normal boiling point and provides the correct justification?
| Compound | IUPAC name | Condensed structural formula |
|---|---|---|
| X | Pentane | \(\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{CH}_3\) |
| Y | \(2\)-methylbutane | \(\text{CH}_3\text{CH(CH}_3\text{)CH}_2\text{CH}_3\) |
| Z | \(2,2\)-dimethylpropane | \(\text{C(CH}_3)_4\) |
Which of the following correctly ranks the isomers from highest to lowest normal boiling point and provides the correct justification?
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