Base ionisation constant Kb (Kb = [BH+][OH-]/[B] for weak base B + H2O ⇌ BH+ + OH-)

jee-mainjee-advancedneet-ug

Kb = [BH+][OH-]/[B] for weak base B + H2O ⇌ BH+ + OH-

What each symbol means

SymbolWhat it stands for
K_bStrength of weak base
[B]Equilibrium concentration of free base

When to use this

Aqueous solution; water omitted from K expression; conjugate pairs linked by Kw.