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NEET2016ChemistryIonic EquilibriumActual

The solubility of A g C l s with solubility product 1.6 × 10 - 10 in 0.1 M N a C l solution would be

Options

  1. A1.26 × 10 - 5 M
  2. B1.6 × 10 - 9 M
  3. C1.6 × 10 - 11 M
  4. D1.26 × 10 - 15 M

Correct answer

B. 1.6 × 10 - 9 M

Step-by-step solution

The phenomenon in which the addition of an ion common to two solutes causes precipitation or reduces ionization is known as common ion effect. ∴ K s p A g C l = S S + 0.1 ∵ S ≪ 0.1 ∴ S + 0.1   ≈ 0.1 ∴ 1.6 × 10 - 10 = S × 0.1 ∴ S = 1.6 × 10 - 9   M

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