Question

What is the definition of limiting molar conductance?

Answer 1

Answer:

denoted by lamda M not

Explanation:

when the conductivity of all the ions in a Sol. tends to be zero is called limiting molar conductivity

Answer 2

Answer:

Limiting Molar conductivity is the conductivity of the solution at infinite dilution, i.e. all the ions have dissociated or the ions are farther apart. Conductivity of electrolyte decreases with decrease in concentration as number of ions per unit cm of surface area decreases upon dilution.

Explanation:

(or)

Limiting molar conductivity is the molar conductivity at infinite dilution or approximately zero concentration of the electrolyte. For a strong electrolyte the limiting molar conductivity can be determined by extrapolating the molar conductivity v/s concentration curve and it is less than unity. While for a weak electrolyte it cannot be determined by extrapolating the curve.