AIPMT PRELIMS 2012 Chemistry Molar Conductivity MCQ Question
Limiting molar conductivity of NH₄OH (i.e., Λₘ(NH₄OH)) is equal to:
Λₘ(NH₄Cl) + Λₘ(NaOH) - Λₘ(NaCl)
Λₘ(NH₄Cl) + Λₘ(NaCl) - Λₘ(NaOH)
Λₘ(NaOH) + Λₘ(NaCl) - Λₘ(NH₄Cl)
Λₘ(NH₄OH) + Λₘ(NH₄Cl) - Λₘ(HCl)
Correct Answer
Detailed Explanation
According to Kohlrausch's Law of Independent Migration of Ions, the limiting molar conductivity of a weak electrolyte like NH₄OH can be calculated by adding the conductivities of its constituent ions from strong electrolytes.
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