Question

Which half reaction is most easily reduced?

Ag+ + e− → Ag = 0.80 V

Br2 + 2e− → 2Br− = 1.07 V

Fe3+ + e− → Fe2+ = 0.77 V

Zn2+ + 2e− → Zn = –0.76 V

Answer 1

Br2 is it for PLATO.

Answer 2

Br2 + 2e− → 2Br− = 1.07 V