The correct statement for the galvanic cell that corresponding to the reaction below is
Ni(s) + Au^{3+}(aq) → Ni^{2+}(aq) + Au(s) E° = 1.949 V
a. Ni metal is cathode
b. The electron flows from Au to Ni
c. The cell reaction above is equivalent
d. Au metal is positive electrode
e. The cations in the salt bridge move towards the N^{2+} solution