Question
Identify the statement about the basic nature of amines.
✓
Answer
- Secondary aliphatic amines are stronger bases than primary aliphatic amines.
The lone pair of the electron on nitrogen atom present is arylamines is less available for protonation partly due to -I effect of a phenyl group and mostly due to resonance.
Hence aryl amines are weaker bases than alkyl amines.
Also, the secondary amines are a stronger base than the primary amines as the number of alkyl groups attached to the nitrogen atoms are more in secondary alkyl amines.
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