Home Chemistry AMINES (Nitrogen Containing Compounds) General The decreasing order of boiling points of et…
Chemistry AMINES (Nitrogen Containing Compounds) General Single Correct MCQ
Published on: August 13, 2026

The decreasing order of boiling points of ethyldimethylamine, n- butylamine and diethylamine is n – Butylamine > Diethylamine > ethyldimethylamine. This trend of boiling poit can be explained as.

A
Boiling point increases with increase in molecular mass.
B
Tertiary amines have highest boiling point due to highest basicity.
C
Intermolecular hydrogen bonding is maximum in primary amines and absent in tertiary amines
D
Intramolecular hydrogen bonding is present in tertiary amines.

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The correct answer is:
C

The trend in boiling point can be explained on the basis of intermolecular hydrogen bonding which is maximum in primary amines.

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