Standard Reduction potential/periodic tables attached Physical Constants R 8.314JK 'mol' = 8.314JK-'mol F NA = 96,500JVmole 6.023 x 10" mol AH (NH)-46.11KJmol AH (H2O) -285.83KJmol Question One a. Explain the following expression (i) Reduction half-reaction (1 mark) (ii) Oxidizing agent (1 mark) (iii) Salt-bridge (1 mark) b. Draw diagrams for the galvanic cells utilizing the following half-cells Cathode Anode (i) Clycr Br/Br (2 marks) (ii) Ni*/Ni AVAP+ (2 marks) (4 marks) (iii) Write balanced equations for the overall cell reactions (above) c. (i) Write the cell conventional notation of a galvanic cell consisting of an Al electrode placed in a 1.0M AI(NO), solution and a Ag in a 1.0M AgNO, solution. (1 mark) (ii) Write the cell reaction that occurs under standard state condition in c (i) above. (I mark) (iii) Calculate the e.m.f (Ea") of a cell that uses Ag/Ag and AV/AI" half- cell reaction. (1 mark)