At what pH does the potential (EMF) for the disproportionation of chlorine change from a negative value to a positive value, assuming 1.0 bar pressure and 1.0 M concentration for all species except hydrogen ion? Given: Cl2 + 2e− → 2Cl- ; E ° = 1.36 V 2 OCl- + 4H+ + 2e− → Cl2 + 2H2O; E ° = 1.63 V. [2.303RT/F = 0.06] (a) 4.5 (b) 1.5 (c) 2.25 (d) 9.0

At what pH does the potential (EMF) for the disproportionation of chlo

1.	At what pH does the potential (EMF) for the disproportionation of chlorine change from a negative value to a positive value, assuming 1.0 bar pressure and 1.0 M concentration for all species except hydrogen ion? Given: Cl2 + 2e− → 2Cl- ; E ° = 1.36 V 2 OCl- + 4H+ + 2e− → Cl2 + 2H2O; E ° = 1.63 V. [2.303RT/F = 0.06] (a) 4.5 (b) 1.5 (c) 2.25 (d) 9.0
Answer» At what pH does the potential (EMF) for the disproportionation of chlorine change from a negative value to a positive value, assuming 1.0 bar pressure and 1.0 M concentration for all species except hydrogen ion? Given: Cl2 + 2e− → 2Cl- ; E ° = 1.36 V 2 OCl- + 4H+ + 2e− → Cl2 + 2H2O; E ° = 1.63 V. [2.303RT/F = 0.06] (a) 4.5 (b) 1.5 (c) 2.25 (d) 9.0