MHT CET20239 May 2023Evening ShiftChemistryIonic EquilibriumActual
Find solubility of PbI ₂ if its solubility product is 7.0 10⁻⁹ .
Options
- A1.21 10⁻³ ~mol ~L ⁻¹
- B3.228 10⁻³ ~mol ~L ⁻¹
- C2.831 10⁻³ ~mol ~L ⁻¹
- D1.811 10⁻³ ~mol ~L ⁻¹
Correct answer
A. 1.21 10⁻³ ~mol ~L ⁻¹
Step-by-step solution
array ll & For PbI ₂, & PbI _ 2( ~s ) Pb _ (aq) ²⁺+2 I _ ( aq ) ⁻ & x=1, y =2 & K _ sp =x^x y ^ y S ^ x+ y =(1)^1(2)^2 ~S ¹⁺²=4 ~S ^3 & S = [3] Ksp 4 = [3] 7.0 10⁻⁹ 4 =1.21 10⁻³ ~mol ~L ⁻¹ array