Given below is the plot of the molar conductivity vs concentration for KCl in aqueous solution. If, for the higher concentration of KCl solution, the resistance of the conductivity cell is 100Ω , th

Question

Given below is the plot of the molar conductivity vs $concentration$ for KCl in aqueous solution.
If, for the higher concentration of KCl solution, the resistance of the conductivity cell is $100Ω$ , then the resistance of the same cell with the dilute solution is ' $x$ ' $Ω$ The value of $x$ is __________ (Nearest integer)

TestHub · Accepted Answer

​ R = ρ A ℓ ​ κ = G ⋅ G ∗ G = R 1 ​ ; κ = ρ 1 ​ ​ G ∗ = R ρ A ℓ ​ ​ A ℓ ​ = Resistance = Resistivity = cell constant ( G ∗ ) ​ ​ κ d ​ κ c ​ ​ = R c ​ R d ​ ​ ; λ m ​ = C κ × 1000 ​ κ d ​ κ c ​ ​ = ( λ m ​ ⋅ C ) d ​ ( λ m ​ ⋅ C ) ​ = R c ​ R d ​ ​ c = concentrated sol. d = diluted solution 150. ( 0.1 ) 2 100 ⋅ ( 0.15 ) 2 ​ = 100 R d ​ ​ R d ​ = 150Ω ​

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