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By Expert Faculty of Sri Chaitanya

Conductivity cells have cell constant values independent of the solution filled into the cell

DC (direct current) is not used for measuring the resistance of a solution.

Kohlrausch law in valid both for strong and weak electrolytes.

The k decreases but λM and λE increase on dilution.

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detailed solution

Correct option is A

Cell constant =ℓA=σκ=GσλM=1000KM,λN1000KNOn dilution G↓K↓M↓N↓ λM↑, λN↑

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