The document describes the reaction between iron(II) chloride and potassium manganate(VII) solution. It involves the oxidation of Fe2+ to Fe3+ by MnO4-, and the reduction of MnO4- to Mn2+. Balanced equations for the half reactions and overall reaction are provided. The same process is then described for the reaction of iron(III) chloride with zinc, and zinc with copper(II) sulfate solution, involving oxidation-reduction between the reactants.

1. Iron(II) chloride reacts with Potassium manganate (VII) solution) what is the name of this reaction? Change of iron(II) ion to iron (III) ion

2. Iron(II) chloride reacts with Potassium manganate (VII) solution) Write out rough equation first and put arrows to show oxidation and reduction process reduction oxidation Fe 2+ +MnO4- Fe3+ + Mn2+

3. Iron(II) chloride reacts with Potassium manganate (VII) solution) reduction oxidation Fe 2+ +MnO4- Fe3+ + Mn2+ what is oxidised and why? Iron(II) ion because oxidation Number of iron increase from +2 to +3

4. Iron(II) chloride reacts with Potassium manganate (VII) solution) reduction oxidation Fe 2+ +MnO4- Fe3+ + Mn2+ Manganate (VII) ion because oxidation Number of manganese Reduced from +7 to +2 what is reduced and why?

5. Iron(II) chloride reacts with Potassium manganate (VII) solution) reduction oxidation Fe 2+ +MnO4- Fe3+ + Mn2+ what is oxidising agent and why? Manganate (VII) ion because it oxidise iron(II) to iron(III)

6. Iron(II) chloride reacts with Potassium manganate (VII) solution) reduction oxidation Fe 2+ +MnO4- Fe3+ + Mn2+ Iron(II) ion because it reduce manganate (VII) ions to manganese (II) ions what is reducing agent and why?

7. Iron(II) chloride reacts with Potassium manganate (VII) solution) reduction oxidation Fe 2+ +MnO4- Fe3+ + Mn2+ Write half equation for oxidation reaction Fe 2+ Fe 3+ + e

8. Iron(II) chloride reacts with Potassium manganate (VII) solution) reduction oxidation Fe 2+ +MnO4- Fe3+ + Mn2+ Write half equation for reduction reaction MnO4- + 8H+ + 5e  Mn2+ + 4H2O

9. Iron(II) chloride reacts with Potassium manganate (VII) solution) Write overall equation 5 5 5 Fe 2+ Fe 3+ + e MnO4- + 8H+ + 5e  Mn2+ + 4H2O 5Fe 2+ + MnO4- + 8H+ 5Fe 3+ + Mn2+ + 4H2O

10. Iron(III) chloride reacts with zinc what is the name of this reaction? Change of iron(III) ion to iron (II) ion

11. Iron(III) chloride reacts with zinc Write out rough equation first and put arrows to show oxidation and reduction process oxidation reduction Fe 3+ +Zn  Fe2+ + Zn2+

12. Iron(III) chloride reacts with zinc oxidation reduction Fe 3+ +Zn  Fe2+ + Zn2+ Zinc because oxidation Number of zinc increase from 0 to +2 what is oxidised and why?

13. Iron(III) chloride reacts zinc oxidation reduction Fe 3+ +Zn  Fe2+ + Zn2+ Iron(III) ion because oxidation Number of iron Reduced from +3 to +2 what is reduced and why?

14. Iron(III) chloride reacts zinc oxidation reduction Fe 3+ +Zn  Fe2+ + Zn2+ Iron(III) ion because it oxidise zinc to zinc ion what is oxidising agent and why?

15. Iron(III) chloride reacts zinc oxidation reduction Fe 3+ +Zn  Fe2+ + Zn2+ what is reducing agent and why? Zinc because it reduce iron(III) ions to iron (II) ions

16. Iron(III) chloride reacts zinc oxidation reduction Fe 3+ +Zn  Fe2+ + Zn2+ Write half equation for oxidation reaction Zn  Zn 2+ + 2e

17. Iron(III) chloride reacts zinc oxidation reduction Fe 3+ +Zn  Fe2+ + Zn2+ Write half equation for reduction reaction Fe3+ + e  Fe 2+

18. Iron(III) chloride reacts zinc Write overall equation Zn  Zn 2+ + 2e 2 2 Fe3+ + e  Fe 2+ 2 Zn + 2Fe 3+ 2Fe 2+ + Zn 2+

19. Zinc reacts with copper(II) sulphate solution what is the name of this reaction? Displacement of metal

20. Zinc reacts with copper(II) sulphate solution Write out rough equation first and put arrows to show oxidation and reduction process reduction oxidation Zn +Cu2+  Zn2+ + Cu

21. Zinc reacts with copper(II) sulphate solution reduction oxidation Zn +Cu2+  Zn2+ + Cu Zinc because oxidation Number of zinc increase from 0 to +2 what is oxidised and why?

22. Zinc reacts with copper(II) sulphate solution reduction oxidation Zn +Cu2+  Zn2+ + Cu Copper (II) ion because oxidation Number of copper Reduced from +2 to 0 what is reduced and why?

23. Zinc reacts with copper(II) sulphate solution reduction oxidation Zn +Cu2+  Zn2+ + Cu Copper (II) ion because it oxidise zinc to zinc ion what is oxidising agent and why?

24. Zinc reacts with copper(II) sulphate solution reduction oxidation Zn +Cu2+  Zn2+ + Cu Zinc because it reduce copper (II) ions to copper what is reducing agent and why?

25. Zinc reacts with copper(II) sulphate solution reduction oxidation Zn +Cu2+  Zn2+ + Cu Write half equation for oxidation reaction Zn  Zn 2+ + 2e

26. Zinc reacts with copper(II) sulphate solution reduction oxidation Zn +Cu2+  Zn2+ + Cu Write half equation for reduction reaction Cu2+ + 2e  Cu

27. Zinc reacts with copper(II) sulphate solution Write overall equation Zn  Zn 2+ + 2e Cu2+ + 2e  Cu Zn + Cu 2+ Cu + Zn 2+