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**Kohlrausch's law** of independent migration of ions states that at infinite dilution:
AOnly cation contributes to conductivity
BEach ion's contribution to conductivity depends on the co-ion
CEach ion migrates independently of the co-ion and contributes its own ionic conductivity
DMolar conductivity is zero
Answer & Solution
Correct answer: C. Each ion migrates independently of the co-ion and contributes its own ionic conductivity
At infinite dilution, $\Lambda_0 = n_+ \lambda_+^0 + n_- \lambda_-^0$ — each ion's molar conductivity is independent of the partner ion. Crucial for finding $\Lambda_0$ of weak electrolytes via combinations of strong electrolyte data.
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