Question 1
Which of the following compounds has the lowest boiling point?
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Chemistry · Unit 4 · Properties and structure of organic materials · Structure of organic compounds
Explain the trends (melting point, boiling point, volatility, solubility in water and organic solvents) within and between homologous series (alkanes, alkenes, alcohols, carboxylic acids) in term of intermolecular and intramolecular bonding, e.g. dispersion forces, dipole-dipole interactions and hydrogen bonds.
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Question 2
Which statement best explains why butanoic acid \( (\text{CH}_3\text{CH}_2\text{CH}_2\text{COOH}) \) has a higher boiling point than butanal \( (\text{CH}_3\text{CH}_2\text{CH}_2\text{CHO}) \), even though they have similar molar masses?
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Question 3
Which statement best explains why ethanol \( (\text{CH}_3\text{CH}_2\text{OH}) \) has a significantly higher boiling point than ethane \( (\text{CH}_3\text{CH}_3) \)?
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