Question

Define Molar Conductivity.

Answer 1

Hello Mate,

Molar conductivity÷Molar conductivity is the conducting power of all the ions produced by dissolving one mole of an electrolyte in solution. It is denoted by (lambda). ...

But if solution contains 1 gm mole of the electrolyte therefore, the measured conductance will be the molar conductivity.

Hope this helps you

Answer 2

hi,how are you??

Molar conductivity of a solution at a given concentration is the conductance of the volume V of solution containing one mole of electrolyte kept between two electrodes with area of cross section A and distance of unit length. Therefore,

Distance is unit� so l = 1

Volume������ = area of base � length

So V = A � 1� = A

?m ���� =?A/l

?m ���� = ?V

Or

Molar conductivity increases with decrease in concentration. When concentration approaches zero, the molar conductivity is known as limiting molar conductivity and is represented by the symbol ˰m.

For strong electrolytes, ? increases slowly with dilution and can be represented by the equation:

?m = ˰m� � A c �

It can be seen that if we plot ?m against c1/2, we obtain a straight line with intercept equal to �m� and slope equal to ��A�. The value of the constant �A� for a given solvent and temperature depends on the type of electrolyte i.e., the charges on the cation and anion produced on the dissociation of the electrolyte in solution.