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CGP EDU Academic Team
Published on: August 14, 2026
N – Butylamine (I) Diethylamine (II) and N, N
dimethylethyl amine (III) have the same molar mass. The increasing order of their boiling point is.
Text Solution
Verified by ExpertsThe correct answer is:
A
Primary amines have two hydrogen atoms available for hydrogen bond formation, while 
amines have only one hydrogen atom for hydrogen bond formation. 
amines do not have intermolecular association due to absence of hydrogen atom. Thus, order of boiling point of isomeric amine is as follows 
or III < II < I
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