Engineering
Chemistry
Preparation of Amines
Test of amines
Question
Give a plausible explanation for: Why are aliphatic amines stronger bases than aromatic amines?
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Solution
Aliphatic amines are stronger bases due to +I effect of the alkyl group, leading to high e– density on the N atom.
In aromatic amine (e.g.- aniline), lone pair of nitrogen atom involves in resonance. So, due to the electron delocalisation, electron density on nitrogen decreases and hence, less basic than aliphatic amine.
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