36. According to the Debye-Hückel-Onsager theory, what happens when molar conductivity () is plotted — Electrochemistry Chemistry Question
Question
36. According to the Debye-Hückel-Onsager theory, what happens when molar conductivity ($\Lambda_m$) is plotted against the square root of concentration ($\sqrt{C}$) for a weak electrolyte like acetic acid?
Answer: D
💡 Solution & Explanation
Weak electrolytes experience a dramatic increase in their degree of dissociation ($\alpha$) at very low concentrations. This causes a steep non-linear surge in molar conductivity that parallels the y-axis, making direct extrapolation to find $\Lambda_m^\circ$ impossible.
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