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Question

Which of the following has the lowest boiling point?

Options

Choose one · Correct answer highlighted

Explanation

Boiling point depends on hydrogen bonding. (CH₃)₃N (tertiary amine) lacks hydrogen bonding, unlike CH₃NH₂ and CH₃CH₂NH₂ (primary amines), and has a lower molar mass than C₆H₅NH₂.