JEE Main20206 Sep 2020Morning ShiftChemistryAminesActual
The increasing order of pK b values of the following compounds is :
Options
- AII < IV < III < I
- BI < II < IV < III
- CII < I < III < IV
- DI < II < III < IV
Correct answer
B. I < II < IV < III
Step-by-step solution
   PK b ∝ 1  Basic strength  K b K b ∝ + 1 , + M effect e - density) K b ∝ 1 - L - M  effect  K b = 1 > 2 > 4 > 3 PK b = 1 < 2 < 4 < 3