JEE Main Chemistry: Redox Reactions Practice Questions

15 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    Which substance acts as an oxidizing agent in the reaction Fe + S yields FeS?
    Easy
  2. Q2.
    In the reaction 2Na + Cl2 yields 2NaCl, which species is oxidized?
    Easy
  3. Q3.
    What is the oxidation number of sulfur in sulfuric acid?
    Easy
  4. Q4.
    What is the oxidation state of manganese in potassium permanganate?
    Easy
  5. Q5.
    Which of the following reactions represents a redox process?
    Easy
  6. Q6.
    What is the equivalent weight of H2C2O4 in the reaction with KMnO4?
    Medium
  7. Q7.
    Which species acts as the reducing agent in the reaction 3Cu + 8HNO3 -> 3Cu(NO3)2 + 2NO + 4H2O?
    Medium
  8. Q8.
    What is the oxidation state of sulfur in the compound Na2S4O6?
    Medium
  9. Q9.
    Which of the following reactions involves disproportionation?
    Medium
  10. Q10.
    Calculate the n-factor for KMnO4 when it acts as an oxidizing agent in an acidic medium.
    Medium
  11. Q11.
    Calculate the equivalent weight of K2Cr2O7 in an acidic medium where it acts as an oxidizing agent. The molar mass of K2Cr2O7 is M.
    Hard
  12. Q12.
    What is the n-factor of FeS2 in the reaction FeS2 + O2 yields Fe2O3 + SO2?
    Hard
  13. Q13.
    Which of the following species can act as both an oxidizing and a reducing agent?
    Hard
  14. Q14.
    In the reaction 3Br2 + 6CO3(2-) + 3H2O yields 5Br(-) + BrO3(-) + 6HCO3(-), what is the change in oxidation state of bromine?
    Hard
  15. Q15.
    Determine the oxidation state of phosphorus in the compound NaH2PO2.
    Hard

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Redox Reactions — JEE Main Chemistry Practice Questions with Solutions | SolveGini