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JEE Main2003ChemistryIonic EquilibriumActual

The solubility in water of a sparingly soluble salt AB is 1.0 10⁻⁵ ~mol ~L ⁻¹ . Its solubility product number will be

Options

  1. A4 10⁻¹⁰
  2. B1 10⁻¹⁵
  3. C1 10⁻¹⁰
  4. D4 10⁻¹⁵

Correct answer

D. 4 10⁻¹⁵

Step-by-step solution

array ll [ A ]=1.0 10⁻⁵, & [ ~B ]= [1.0 10⁻⁵ ] K _ sp =[2 . B ]^2[ ~A ] = [2 10⁻⁵ ]^2 [1.0 10⁻⁵ ]=4 10⁻¹⁵ array

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