At 298 K, the standard reduction potentials for the following half-reactions are given. Which acts as an anode with others in an electrochemical cell?
Zn+2(aq)+2e−→Zn(s), -0.762 V
Cr+3(aq)+3e−→Cr(s), -0.740 V
2H+(aq)+2e−→H2(g), 0.000 V
Fe+3(aq)+e−→Fe2+(aq), +0.762 V
The EMF of the Daniell cell is 1.1V . The external EMF to be applied for the following reaction to take place in it is: