Basicity of amines (aliphatic vs aromatic) (Lone pair on N protonates; aliphatic amines stronger bases than aniline (lone pair)
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Lone pair on N protonates; aliphatic amines stronger bases than aniline (lone pair delocalized into ring)
What each symbol means
| Symbol | What it stands for |
|---|---|
| pKb | Lower pKb = stronger base (JEE comparisons) |
| RNH₂ | Amine |
When to use this
Gas phase vs solution orders differ slightly in advanced texts; JEE often stresses: 2° aliphatic > 1° > NH₃ > aniline; ortho-substituted anilines show steric/H-bond effects.