Given the limiting molar conductivities at :
What is the limiting molar conductivity of acetic acid ()?
Answer and explanation
Correct answer: B.
- Step 1: Apply Kohlrausch's law of independent migration of ions: .
- Step 2: Express in terms of known salts: .
- 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.
More Electrochemistry questions
- For the Daniell cell , given andβ¦
- What is the EMF of the cell at ? (β¦
- The standard Gibbs free energy change for a galvanic cell having and involving traβ¦
- How many coulombs of electricity are required for the complete reduction of of to in aβ¦
- The resistance of a conductivity cell containing solution at is . If the conducβ¦
- The molar conductivity of a methanoic acid () solution isβ¦