Answer the following questions (Any two): (a) Why is alternating current used instead of direct current for measuring resistance of an electrolytic solution? (b) State Kohlrausch's law of independent migration of ions. (c) Depict the Galvanic cell in which the following reaction takes place: Mg (s) + Cu²⁺ (aq) → Mg²⁺ (aq) + Cu (s)

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CASE_STUDIESGalvanic Cells and Their WorkingConductance of Electrolytic SolutionsKohlrausch's Law of Independent Migration of IonsCBSE PYQ3 sub-questions

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In a plot of Λm against the square root of concentration (C1/2) for strong and weak electrolyte, the value of limiting molar conductivity of a weak electrolyte cannot be obtained graphically. Suggest a way to obtain this value. Also state the related law, if any.

TextVariation of Molar Conductivity with ConcentrationKohlrausch's Law of Independent Migration of Ions

Kohlrausch gave the following relation for strong electrolyte: Λ = Λ° - A√C. Which of the following equality holds true?

MCQ (Single)