State kohlrausch law of independent migration of ions

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Kohlrausch's law of independent migration of ions Kohlrausch's law of independent migration of ions states that the limiting molar conductivity of an electrolyte can be represented by the sum of the individual contributions of the anion and cation of the electrolyte. λ ° = v + λ + ° + v - λ - ° where λ ° = limiting molar conductivity v + λ + ° = conductivity due to cations v - λ - ° = conductivity due to anions The conductivity of a solution decreases with dilution because the number of ions per unit volume of the solution decreases.

The correct option is B Independent migration of ions at infinite dilution Kohlrausch law: At infinite dilution, when all the interionic effects disappear and dissociation of electrolyte is complete, each ion makes a definite contribution towards equivalent conductance/molar conductance of the electrolyte irrespective of the nature of the ion with which it is associated. At infinite dilution, the ion becomes totally independent of other ions. At this point, it contributes maximum towards the conductance of the solution. This value of molar conductance is known as limiting molar conductivity. It is also called as molar conductivity at infinite dilution. It is represented by Λ 0 m Kohlrausch law of independent migration of ions: Λ 0 m = λ 0 + + λ 0 − λ 0 + → Limiting molar conductivity of cation λ 0 − → Limiting molar conductivity of anion