Conductivities of water and a saturated solution of a sparingly soluble salt AB₂ are 7 and 21 μS m⁻¹, respectively. Given, λoA²⁺ = 12.72 mS m² mol⁻¹ and λoB²⁻ = 7.64 mS m² mol⁻¹, the solubility of AB₂, in mol m⁻³, is

Conductivities of water and a saturated solution of a sparingly soluble salt AB₂ are 7 and 21 μS m⁻¹… · ABC26PH0072

Subject: Physical Chemistry · Chapter: Electrochemistry · Topic: Electrochemistry – General · Exam: CSIR NET DEC 2018 · Marks: 2 · Difficulty: Medium

Conductivities of water and a saturated solution of a sparingly soluble salt $\mathrm{AB_2}$ are 7 and 21 $\mu\mathrm{S\,m^{-1}}$, respectively. Given, $\lambda^{o}_{A^{2+}} = 12.72\ \mathrm{mS\,m^2\,mol^{-1}}$ and $\lambda^{o}_{B^{2-}} = 7.64\ \mathrm{mS\,m^2\,mol^{-1}}$, the solubility of $\mathrm{AB_2}$, in $\mathrm{mol\,m^{-3}}$, is

(a)$5.0 \times 10^{-4}$

(b)$5.0 \times 10^{-3}$

(c)$5.0 \times 10^{-5}$

(d)$5.0 \times 10^{-6}$

Answer

Answer (as printed): A

Explanation

No explanation was printed for this question.

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