First slide

Debye - Huckel equation

Question

Select the correct statement for $Λ_{m} = Λ_{m}^{\circ} - {AC}^{1 / 2}$ .

Easy

A

This equation is for weak electrolyte
B

Intercept is equal to $Λ_{m}$
C

Slope is 'A'
D

Value of A depends on the charges of cation and anion

Solution

For strong electrolytes $Λ_{m} = Λ_{m}^{\circ} - {AC}^{1 / 2}$
If we plot $Λ_{m}^{}$ against $C^{1 / 2}$ ,we obtain straight line with intercept equal to and slope is equal to -A. The constant A depends on the type of electrolyte. i.e. charges on cation and anion produced on dissociation of electrolyte.

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