A dilute solution Contains “x” moles of solute “A” in 1 kg of solvent with molal elevation constant kb. The solute dimerises in the solution according to the following equation. The degree of association is (α)
2A⇌A2
The degree of association is equal to
α=2(Kb.x−ΔTb)Kb.x
A dilute solution Contains “x” moles of solute “A” in 1 kg of solvent with molal elevation constant kb. The solute dimerises in the solution according to the following equation. The degree of association is (α)
2A⇌A2
ΔTb=i×Kb×x1ΔTbKb.x=1−∝2∝2=1−ΔTbKbx∝=1(1−ΔTbKb.x)∝=2(Kb.x−ΔTbKb.x)