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BITSAT2009ChemistryElectrochemistryActual

The conductivity of a saturated solution of BaSO ₄ is 3.06 10⁻⁶ ohm ⁻¹ ~cm ⁻¹ and its equivalent conductance is 1.53 ohm ⁻¹ ~cm ² equiv ⁻¹ . The K _ sp for BaSO ₄ will be

Options

  1. A4 10⁻¹²
  2. B2.5 10⁻⁹
  3. C2.5 10⁻¹³
  4. D4 10⁻⁶

Correct answer

D. 4 10⁻⁶

Step-by-step solution

Solublity = conductivity 1000 _ eq array l = 3.06 10⁻⁶ 1000 1.53 =2 10⁻³ K_ sp = S ²=4 10⁻⁶ array

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