Identify the substances liberated at the anode and at the cathode during the electrolysis of saturated KCl(aq). at the anode at the cathode

1. (a)Identify the substances liberated at the anode and at the cathode during the electrolysis of saturated KCl(aq). at the anode at the cathode[1]
2. (b)When dilute sulfuric acid is electrolysed, oxygen is liberated at the anode. Dilute sulfuric acid is electrolysed for 15.0 minutes using a current of 0.750A. Calculate the volume of oxygen that is liberated under room conditions. volume of oxygen =[3]
3. (c)The halogens chlorine, bromine and iodine differ in their strengths as oxidising agents. These strengths are indicated by the Eº values for these halogens.
4. (c)(i)Give the Eº values for chlorine, bromine and iodine acting as oxidising agents.[1]
5. (c)(ii)Deduce which of chlorine, bromine and iodine will react with a solution of Sn²⁺(aq) under standard conditions. Explain your answer. Include a relevant equation in your explanation.[3]
6. (c)(iii)An excess of chlorine is added to a solution of acidified Mn²⁺(aq) under standard conditions. Give the formula of the product of this reaction that contains manganese.[1]
7. (d)An electrochemical cell can be made by connecting an Fe³⁺/Fe²⁺ half-cell to an S2O₈²⁻/SO4²⁻ half-cell under standard conditions.
8. (d)(i)Calculate the standard cell potential of this electrochemical cell. Ecell =[1]
9. (d)(ii)State the material that should be used as the electrode in each half-cell. in the Fe³⁺/Fe²⁺ half-cell in the S2O₈²⁻/SO4²⁻ half-cell[1]
10. (d)(iii)Describe one change to each half-cell that would increase the value of the cell potential. The temperature should remain at 298 K. Fe³⁺/Fe²⁺ half-cell S2O₈²⁻/SO4²⁻ half-cell[1]