44. When an aqueous solution of a weak electrolyte (like acetic acid) is progressively diluted, its molar conductivity () increases dramatically. This is primarily because:

Question

44. When an aqueous solution of a weak electrolyte (like acetic acid) is progressively diluted, its molar conductivity ($\Lambda_m$) increases dramatically. This is primarily because:

Prashant Kotian · Accepted Answer

Correct answer: C. For weak electrolytes, diluting the solution causes the equilibrium to shift heavily towards ionization (Ostwald's dilution law). This significant increase in the degree of dissociation () drastically increases the number of ions, causing to rise steeply.

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