[AdiDex]

guys i know what is the molar conductivity ....but i am not able to understand that what does it stand for..??
can anyone tell its physical significance ??
conductivity decreases with dilution but on other hand molar conductivity increases .!!
i know what is the formula
λ_m = κV    (V = Dilution )

but can any one give me any daily life example by which i can inter-relate it ...!!

[AdiDex]

i also knows the definition It is the conductance of a electrolytic solution kept between conductivity cell at unit distance but having a large area of cross section to accommodate sufficient volume of the solution that contain one mole of the electrolyte .

[Borek]

Hard to say what your question and what your problem is.

You can use molar conductivity to calculate conductivity of a solution of a known molarity.

Technically speaking it doesn't change with the concentration. In concentrated solutions ions start to interact (for example they create electrically neutral ion pairs) and we can't assume they move independently. This can be understood as if the concentration of freely roaming ions was lower than the actual concentration, so in effect the measured conductivity is lower than expected. That's why we typically report molar conductivity extrapolated to the infinite dilution.