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JEE Main20249 Apr 2024Evening ShiftChemistryIonic EquilibriumActual

For a sparingly soluble salt ( AB ₂ ), the equilibrium concentrations of ( A ²⁺ ) ions and (B⁻ )ions are (1.2 10⁻⁴ M ) and (0.24 10⁻³ M ), respectively. The solubility product of ( AB ₂ ) is :

Options

  1. A(6.91 10⁻¹² )
  2. B(0.276 10⁻¹² )
  3. C(27.65 10⁻¹² )
  4. D(0.069 10⁻¹² )

Correct answer

A. (6.91 10⁻¹² )

Step-by-step solution

aligned & AB _ 2( ~s ) A _ ( aq ) ⁺²+2 ~B _ ( aq ) ⁻ & K _ sp = [ A ⁺² ] [ B ⁻ ]^2 &=1.2 10⁻⁴ (2.4 10⁻⁴ )^2 &=6.91 10⁻¹² M ^3 aligned

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