Question: Use the standard electrode potentials given below to answer the questions that follow. Reaction E value Ag+ (aq) + e Ag(s) +0.80V Cu2+(aq) + 2e
Use the standard electrode potentials given below to answer the questions that follow. Reaction E value Ag+ (aq) + e Ag(s) +0.80V Cu2+(aq) + 2e Cu(s) +0.34V Pb2+(aq) + 2e Pb(s) 0.13V Zn2+(aq) + 2e Zn(s) 0.76V i. Select two half-cells which when combined give the largest workable cell. (1mk) ii. With a reason, select the strongest oxidizing agent. (1mk) iii. Draw a well labeled diagram for the electrochemical cell formed by combining copper and silver half cells. (3mks) iv. Calculate the e.m.f of the cell formed when copper half-cell and lead halfcell are combined. (2mks) b. The following set-up was used to electrolyze copper (II) chloride solution using graphite electrodes. i. On the diagram, label the anode and cathode. (1mk) ii. State the observation made in the solution as the experiment progresses. Explain. (2mks) iii. Write the ionic equation for the reaction at the anode. (1mk
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