The correct order of increasing basic nature for the bases $\mathrm{NH}_3, \mathrm{CH}_3 \mathrm{NH}_2$ and…

The correct order of increasing basic nature for the bases $\mathrm{NH}_3, \mathrm{CH}_3 \mathrm{NH}_2$ and $\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$ is
  1. $\left(\mathrm{CH}_3\right)_2 \mathrm{NH} < \mathrm{NH}_3 < \mathrm{CH}_3 \mathrm{NH}_2$
  2. $\mathrm{NH}_3 < \mathrm{CH}_3 \mathrm{NH}_2 < \left(\mathrm{CH}_3\right)_2 \mathrm{NH}$
  3. $\mathrm{CH}_3 \mathrm{NH}_2 < \left(\mathrm{CH}_3\right)_2 \mathrm{NH} < \mathrm{NH}_3$
  4. $\mathrm{CH}_3 \mathrm{NH}_2 < \mathrm{NH}_3 < \left(\mathrm{CH}_3\right)_2 \mathrm{NH}$

Solution

More is the no . of $+\mathrm{I}$ groups attached to $\mathrm{N}$ atom greater is the basic character.

Asked in: JEE Main 2003

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