KVPY2016ChemistryElectrochemistry
The equilibrium constant of a 2 electron redox reaction at 298 ~K is 3.8 10⁻³ . The cell potential E ^ (in . V ) and the free energy change G ^ (in kJ mol ⁻¹ ) for this equilibrium respectively, are
Options
- A-0.071,-13.8
- B-0.071,13.8
- C0.71,-13.8
- D0.071,-13.8
Correct answer
B. -0.071,13.8
Step-by-step solution
array rl G ^ & =-2.303 8.314 298 (3.8 10⁻³ ) J & =13809.3876 ~J =13.809 Kg G ^ & =- nFE ^ 1380 & 9.387=-2 96500 E ^ E _ cell ^ & =.071 array