NEET Chemistry: Redox Reactions — Practice Set 3

Q1. What is the oxidation number of oxygen in \( \ce{H2O2} \)?

Q2. In the reaction \( \ce{2AgNO3 + H2S -> Ag2S + 2HNO3} \), which species is oxidized?

Q3. In \( \ce{2KMnO4 + 16HCl -> 2MnCl2 + 5Cl2 + 2KCl + 8H2O} \), which species contains the element reduced?

Q4. What is the oxidation number of phosphorus in \( \ce{P4} \)?

Q5. What is the oxidation number of chlorine in \( \ce{ClO2} \)?

Q6. What is the oxidation number of chlorine in \( \ce{KClO3} \)?

Q7. In \( \ce{PbS + 4H2O2 -> PbSO4 + 4H2O} \), which species is the reducing agent?

Q8. Which reaction is an example of a combination redox reaction?

Q9. What is the oxidation number of bromine in \( \ce{BrF3} \)?

Q10. In \( \ce{2Cr(OH)3 + 3H2O2 + 4NaOH -> 2Na2CrO4 + 8H2O} \), how many electrons are lost per chromium atom?

ChemistryRedox Reactions

Set 3 of 20

15:00

Sign in to save your score and view detailed explanations

Sign In Free
1Question 1 of 10
Medium

What is the oxidation number of oxygen in \( \ce{H2O2} \)?