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
- A4 10⁻¹²
- B2.5 10⁻⁹
- C2.5 10⁻¹³
- 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