7. Redox Reactions
Oxidation And Reduction — Quiz
Test your understanding of oxidation and reduction with 5 practice questions.
Practice Questions
Question 1
In the reaction: 2H2O2 → 2H2O + O2, what is the change in the oxidation state of oxygen from H2O2 to O2?
Question 2
What is the oxidation state of chromium in the compound CrO5?
Question 3
In the reaction: 2KMnO4 + 16HCl → 2MnCl2 + 5Cl2 + 2KCl + 8H2O, what is the change in the oxidation state of manganese (Mn)?
Question 4
What is the oxidation state of sulfur in the compound S4O6^{2-} (tetrathionate ion)?
Question 5
In the reaction: 2Cr^{3+} + 3H2O2 + 10OH^- → 2CrO4^{2-} + 8H2O, what is the change in the oxidation state of chromium (Cr)?