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Solution


Q.

Following figure shows dependence of molar conductance of two electrolytes on concentration. Λm° is the limiting molar conductivity.

The number of incorrect statement(s) from the following is __________ .            [2023]

(A) Λm° for electrolyte A is obtained by extrapolation.

(B) For electrolyte B, Λm vs c graph is a straight line with intercept equal to Λm°.

(C) At infinite dilution, the value of degree of dissociation approaches zero for electrolyte B.

(D) Λm° for any electrolyte A or B can be calculated using λ° for individual ions.

Ans.

(2)

Both (A) and (C) are incorrect.