Rahul set-up an experiment to find resistance of aqueous KCl solution for different concentrations at 298 K using a conductivity cell connected to a Wheatstone bridge. He fed the Wheatstone bridge with a.c. power in the audio frequency range 550 to 5000 cycles per second. Once the resistance was calculated from null point he also calculated the conductivity K and molar conductivity Λm and recorded his readings in tabular form. S.No. 1: Conc.(M) 1.00, k S cm–1 111.3 × 10–3, Λm S cm2 mol–1 111.3. S.No. 2: Conc.(M) 0.10, k S cm–1 12.9 × 10–3, Λm S cm2 mol–1 129.0. S.No. 3: Conc.(M) 0.01, k S cm–1 1.41 × 10–3, Λm S cm2 mol–1 141.0.

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CASE_STUDIESVariation of Conductivity with ConcentrationVariation of Molar Conductivity with ConcentrationKohlrausch's Law of Independent Migration of IonsCBSE PYQ3 sub-questions

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