AP Chemistry
3.10 Solubility
3.1 Intermolecular and Interparticle Forces
A student investigates the solubility of several straight-chain alcohols in water at \(25^\circ\text{C}\) and records the data in the table below.
Which of the following best explains why 1-heptanol is significantly less soluble in water than methanol?
| Alcohol | Molecular formula | Solubility in water (\(\text{mol/L}\)) |
|---|---|---|
| Methanol | \(\text{CH}_3\text{OH}\) | Miscible |
| 1-Propanol | \(\text{C}_3\text{H}_7\text{OH}\) | Miscible |
| 1-Pentanol | \(\text{C}_5\text{H}_{11}\text{OH}\) | \(0.25\) |
| 1-Heptanol | \(\text{C}_7\text{H}_{15}\text{OH}\) | \(0.008\) |
Which of the following best explains why 1-heptanol is significantly less soluble in water than methanol?
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