Question 1
Which statement best explains why propan-1-ol has a higher boiling point than hexane, despite hexane having a greater molar mass?
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Chemistry · Unit 2 · Intermolecular forces and gases · Intermolecular forces
Explain the relationship between vapour pressure, melting point, boiling point and solubility, and the nature and strength of intermolecular forces (e.g. dispersion forces, dipole-dipole attractions, and hydrogen bonding) within molecular covalent substances. Chromatography techniques
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Question 2
Ethanol \((\text{C}_2\text{H}_5\text{OH})\) has a significantly higher boiling point than dimethyl ether \((\text{CH}_3\text{OCH}_3)\), even though both compounds have the same molecular formula \((\text{C}_2\text{H}_6\text{O})\) and similar molar masses. Which statement best explains this difference?
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Question 3
A student has two liquid samples of equal volume at 25 °C: hexane (C₆H₁₄) and butan-1-ol (C₄H₉OH). Explain why butan-1-ol has a higher boiling point than hexane.
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