Redox Titration calculations

MnO₄^- + 5Fe²⁺ + 8H⁺ --> Mn²⁺ + 4H₂O + 5Fe³⁺

What volume of 0.01M MnO₄^- reacts with 0.002 moles of Fe²⁺

• 0.1 dm³

• 0.04 dm³

• 0.4 dm³

• 1.0 dm³

MnO₄^- + 8H⁺ + 5e^- --> Mn²⁺ + 4H₂O

H₂O₂ --> O₂ + 2H⁺ + 2e^-

Which is a correctly balanced equation?

• 2MnO₄^- + 16H⁺ + 2H₂O₂ --> 2Mn²⁺ + 8H₂O + 2O₂

• 5MnO₄^- + 16H⁺ + 2H₂O₂ --> 5Mn²⁺ + 8H₂O + 2O₂

• 2MnO₄^- + 6H⁺ + 5H₂O₂ --> 2Mn²⁺ + 8H₂O + 5O₂

• 2MnO₄^- + 16H⁺ + 5H₂O₂ --> 2Mn²⁺ + 8H₂O + 5O₂ + 10H⁺

2MnO₄^- + 6H⁺ + 5H₂O₂ --> 2Mn²⁺ + 8H₂O + 5O₂

How many moles of hydrogen peroxide react with 2 moles of MnO₄^-?

• 5

• 2

• 2.5

• 10

2MnO₄^- + 6H⁺ + 5H₂O₂ --> 2Mn²⁺ + 8H₂O + 5O₂

How many moles of Manganate (VII) react with 5 moles of hydrogen peroxide?

• 5

• 2

• 25

• 10

2MnO₄^- + 6H⁺ + 5H₂O₂ --> 2Mn²⁺ + 8H₂O + 5O₂

How many moles of H₂O₂ react with 0.4 moles of MnO₄^- reacts

• 0.4

• 0.2

• 1.0

• 5.0

2MnO₄^- + 6H⁺ + 5H₂O₂ --> 2Mn²⁺ + 8H₂O + 5O₂

What volume of 0.1M H₂O₂ react with 0.004 moles of MnO₄^- reacts

• 0.1 dm³

• 0.2 dm³

• 0.04 dm³

• 1.00 dm³

2MnO₄^- + 6H⁺ + 5H₂O₂ --> 2Mn²⁺ + 8H₂O + 5O₂

What volume of 0.5M H₂O₂ react with 0.01 moles of MnO₄^- reacts

• 0.01 dm³

• 0.05 dm³

• 0.04 dm³

• 0.1 dm³

MnO₄^- + 5Fe²⁺ + 8H⁺ --> Mn²⁺ + 4H₂O + 5Fe³⁺

What volume of 0.02M MnO₄^- reacts with 0.0025 moles of Fe²⁺

• 0.1 dm³

• 0.04 dm³

• 0.025 dm³

• 0.020 dm³

MnO₄^- + 5Fe²⁺ + 8H⁺ --> Mn²⁺ + 4H₂O + 5Fe³⁺

What volume of 0.02M MnO₄^- reacts with 0.025dm³ of 0.05M of Fe²⁺

• 0.0125 dm³

• 0.05 dm³

• 0.25 dm³

• 0.125 dm³

MnO₄^- + 5Fe²⁺ + 8H⁺ --> Mn²⁺ + 4H₂O + 5Fe³⁺

What volume of 0.05M MnO₄^- reacts with 0.02dm³ of 0.25M of Fe²⁺

• 0.02 dm³

• 0.05 dm³

• 0.004 dm³

• 0.005 dm³