Essential Chemistry for IGCSE - Organic Chemistry And Petrochemicals (Section 3 - No. 26)

Which of the following statements best describes the relationship between the number of carbon atoms and boiling point within a homologous series of alkanes?
As the number of carbon atoms increases, the boiling point decreases.
As the number of carbon atoms decreases, the boiling point increases.
Boiling point is independent of the number of carbon atoms.
As the number of carbon atoms increases, the boiling point increases.

Explanation

The boiling point of alkanes increases as the number of carbon atoms increases.

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