Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

In the following compounds, the decreasing order of basic strength will be

  1. A

    NH3 > C2H5NH2 > (C2H5)2NH

  2. B

    C2H5NH2 > NH3 > (C2H5)2NH

  3. C

    (C2H5)2NH > NH3 > C2H5NH2

  4. D

    (C2H5)2NH > C2H5NH2 > NH3

Solution

Correct order of Kb value

In aqueous medium sec. amines are most basic.

3°amines are more basic than NH3 as +I factor dominate over steric factor.

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