KCET2026ChemistryElectrochemistry
The conductivity of centimolar solution of KCl at 298 K is 0.021 Ohm ⁻¹ cm ⁻¹ and the resistance of the cell containing the solution at 298 K is 60 , . The value of cell constant ( G^* ) is __________.
Options
- A3.28 cm ⁻¹
- B1.26 cm ⁻¹
- C3.34 cm ⁻¹
- D1.34 cm ⁻¹
Correct answer
B. 1.26 cm ⁻¹
Step-by-step solution
The relationship between conductivity ( ), resistance ( R ), and cell constant ( G^* ) is given by: G^* = R Substituting the given values: = 0.021 Ohm ⁻¹ cm ⁻¹ R = 60 , G^* = 0.021 60 = 1.26 cm ⁻¹ Answer: 1.26 cm ⁻¹