(a) The given reaction
      Â
(i) Oxidation half-reaction.
               Â
(ii) Reduction half reaction:
               Â
(b) The given reaction
     Â
(i) Oxidation half reaction:
          Â
(ii) Reduction half reaction:
       Â
What is electrode potential? Name the factors on which it depends.
1. Â For the cell
  Â
Positive terminal: Â The bromine electrode where reduction takes place.
2. For the cellÂ
The two half reactions can be represented as:
(i) Anode reaction (oxidation half reaction):
        Â
(ii) Cathode reaction (reduction half reaction):
       Â
Positive terminal. The iodine electrode where reduction takes place.
3. For cellÂ
the two half reactions can be represented as:
(i) Anode reaction (oxidation half reaction):
          Â
(ii) Cathode reaction (reduction half reaction):
         Â
Net cell reaction: Â It is obtained by adding equations (i) and (ii).
Positive terminal: The copper electrode where reduction takes place.