The correct order of basicities of the following compounds is:

The correct order of basicities of the following compounds is:
  1. $2>1>3>4$
  2. $1>3>2>4$
  3. $3>1>2>4$
  4. $1>2>3>4$

Solution

Guanidine is most basic because its conjugate acid is stabilized by two equivalent resonance structures,

Further $2^{\circ}$ amines are more basic than $1^{\circ}$, while amides
are least basic due to delocalisation of the lone pair of electrons on $\mathrm{N}$
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Asked in: JEE-TOPICTESTS-CHEMISTRY

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