3:  pKb Values of Amines in Aqueous Phase
Rationalised 2023-24
268
Chemistry
You may find some discrepancies while trying to interpret the Kb
values of amines on the basis of  +I or –I effect of the substituents
present in amines Besides inductive effect, there are other effects like
solvation effect, steric hinderance, etc , which affect the basic strength
of amines Just ponder over