Section AQuestion 1(a)
1 mark
The apparatus can be used to measure E°cell for the reaction:
2Cr3+(aq) + Zn(s) → 2Cr2+(aq) + Zn2+(aq).
The left-hand cell contains Zn2+(aq); the right-hand cell contains Cr2+(aq) and Cr3+(aq). Which electrodes are used for this cell?
2Cr3+(aq) + Zn(s) → 2Cr2+(aq) + Zn2+(aq).
The left-hand cell contains Zn2+(aq); the right-hand cell contains Cr2+(aq) and Cr3+(aq). Which electrodes are used for this cell?