1. Redox Titrations A redox titration is the same as an acid-base titration except it involves a redox reaction and generally does not require an indicator. Reagents are chosen so that the reaction is spontaneous and one of the half reactions has a natural colour change.

2. Redox Titrations A redox titration is the same as an acid-base titration except it involves a redox reaction and generally does not require an indicator. Reagents are chosen so that the reaction is spontaneous and one of the half reactions has a natural colour change. Pick a suitable reagent for redox titration involving IO 3 - in acid solution.F - I - SO 4 2- Cl -

3. Redox Titrations A redox titration is the same as an acid-base titration except it involves a redox reaction and generally does not require an indicator. Reagents are chosen so that the reaction is spontaneous and one of the half reactions has a natural colour change. Pick a suitable reagent for redox titration involving IO 3 - in acid solution.FI - SO 4 2- Cl - F - 2SO 4 2- Cl - IO 3 - + 6H + + 3e - 1/2I 2 + 3H 2 O 2I -

4. Redox Titrations A redox titration is the same as an acid-base titration except it involves a redox reaction and generally does not require an indicator. Reagents are chosen so that the reaction is spontaneous and one of the half reactions has a natural colour change. Pick a suitable reagent for a redox titration involving IO 3 - in acid solution.FI - SO 4 2- Cl - F - 2SO 4 2- Cl - IO 3 - + 6H + + 3e - 1/2I 2 + 3H 2 O 2I - spontaneous

5. 6.75 mL of 0.100 M KMnO 4 is required to titrate 25.0 mL of FeCl 2. Calculate the [Fe 2+ ]. MnO 4 - + 8H + +5Fe 2+ → Mn 2+ + 4H 2 O + 5Fe 3+

6. 6.75 mL of 0.100 M KMnO 4 is required to titrate 25.0 mL of FeCl 2. Calculate the [Fe 2+ ]. MnO 4 - + 8H + +5Fe 2+ → Mn 2+ + 4H 2 O + 5Fe 3+ 0.00675 L0.0250L 0.100 M? M

7. 6.75 mL of 0.100 M KMnO 4 is required to titrate 25.0 mL of FeCl 2. Calculate the [Fe 2+ ]. MnO 4 - + 8H + +5Fe 2+ → Mn 2+ + 4H 2 O + 5Fe 3+ 0.00675 L0.0250L 0.100 M? M [Fe 2+ ] =

8. 6.75 mL of 0.100 M KMnO 4 is required to titrate 25.0 mL of FeCl 2. Calculate the [Fe 2+ ]. MnO 4 - + 8H + +5Fe 2+ → Mn 2+ + 4H 2 O + 5Fe 3+ 0.00675 L0.0250L 0.100 M? M [Fe 2+ ] =

9. 6.75 mL of 0.100 M KMnO 4 is required to titrate 25.0 mL of FeCl 2. Calculate the [Fe 2+ ]. MnO 4 - + 8H + +5Fe 2+ → Mn 2+ + 4H 2 O + 5Fe 3+ 0.00675 L0.0250L 0.100 M? M 0.00675 L MnO 4 - x 0.100 mole [Fe 2+ ] = 1 L

10. 6.75 mL of 0.100 M KMnO 4 is required to titrate 25.0 mL of FeCl 2. Calculate the [Fe 2+ ]. 1MnO 4 - + 8H + +5Fe 2+ → Mn 2+ + 4H 2 O + 5Fe 3+ 0.00675 L0.0250L 0.100 M? M 0.00675 L MnO 4 - x 0.100 mole x 5 moles Fe 2+ [Fe 2+ ] = 1 L 1 mole MnO 4 -

11. 6.75 mL of 0.100 M KMnO 4 is required to titrate 25.0 mL of FeCl 2. Calculate the [Fe 2+ ]. MnO 4 - + 8H + +5Fe 2+ → Mn 2+ + 4H 2 O + 5Fe 3+ 0.00675 L0.0250L 0.100 M? M 0.00675 L MnO 4 - x 0.100 mole x 5 moles Fe 2+ [Fe 2+ ] = 1 L 1 mole MnO 4 - 0.0250 L

12. 6.75 mL of 0.100 M KMnO 4 is required to titrate 25.0 mL of FeCl 2. Calculate the [Fe 2+ ]. MnO 4 - + 8H + +5Fe 2+ → Mn 2+ + 4H 2 O + 5Fe 3+ 0.00675 L0.0250L 0.100 M? M 0.00675 L MnO 4 - x 0.100 mole x 5 moles Fe 2+ [Fe 2+ ] = 1 L 1 mole MnO 4 - 0.0250 L =0.135 M

13. Is Al a reactive or non-reactive metal? Look on page 8 Reactive as Al is a relatively strong reducing agent. Why is Al used for boats, patio furniture, swing sets, and trucks boxes? Al makes a clear transparent Al 2 O 3 paint like coating that prevents further oxidation.