Given the limiting molar conductivities at :



What is the limiting molar conductivity of acetic acid ()?

Answer and explanation

Correct answer: B.

  1. Step 1: Apply Kohlrausch's law of independent migration of ions: .
  2. Step 2: Express in terms of known salts: .
  3. Step 3: Substitute values: .
Answer
.
Why not the others: adds all three values together without subtraction; subtracts instead of ; subtracts .

Practise more Electrochemistry.

Free questions with an explanation for every one, and full timed JEE Main mock tests.