Question:medium

Kohlrausch gave the following relation for strong electrolytes:
$\Lambda_m = \Lambda_m^0 - A\sqrt{C}$
Which of the following equality holds true?

Show Hint

Remember: Infinite dilution means C $\longrightarrow$ 0 for conductance laws.
Updated On: Feb 24, 2026
  • $\Lambda_m = \Lambda_m^0$ as C $\longrightarrow$ 1
  • $\Lambda_m = \Lambda_m^0$ as C $\longrightarrow$ 0
  • $\Lambda_m = \Lambda_m^0$ as C $\longrightarrow \infty$
  • $\Lambda_m = \Lambda_m^0$ as C $\longrightarrow \sqrt{A}$
Show Solution

The Correct Option is B

Solution and Explanation

Kohlrausch’s law states that the molar conductance of strong electrolytes tends towards its limiting molar conductance ($\Lambda_m^0$) when the concentration approaches zero.
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