MHT CET202124 Sep 2021Morning ShiftChemistryElectrochemistryActual
The conductivity of 0.012 M NaBr solution is 2.67 10⁻⁴ ~S ~cm ⁻¹ . What is it's molar conductivity?
Options
- A26.7 ~S ~cm ^2 ~mol ⁻¹
- B32.04 ~S ~cm ^2 ~mol ⁻¹
- C12.2 ~S ~cm ^2 ~mol ⁻¹
- D22.2 ~S ~cm ^2 ~mol ⁻¹
Correct answer
D. 22.2 ~S ~cm ^2 ~mol ⁻¹
Step-by-step solution
aligned & _ m = k 1000 M K =2.67 10⁻⁴ ~S ~cm ⁻¹ & M =0.012 M & _ m = 2.67 10⁻⁴ 1000 0.012 & =22.2 ~S ~cm ^2 ~mol ⁻¹ aligned