Q1. Which species is oxidized in the reaction \( \ce{2FeCl3 + H2 -> 2FeCl2 + 2HCl} \)?A. \( \ce{FeCl3} \)B. \( \ce{H2} \)C. \( \ce{FeCl2} \)D. \( \ce{HCl} \)
Q3. Which reaction involves a redox process where the oxidizing agent contains nitrogen?A. \( \ce{2Na + Cl2 -> 2NaCl} \)B. \( \ce{3Zn + 2NO -> 3ZnO + N2} \)C. \( \ce{Fe + S -> FeS} \)D. \( \ce{2H2O2 -> 2H2O + O2} \)
Q4. In the reaction \( \ce{2Na + S -> Na2S} \), which species is the oxidizing agent?A. \( \ce{S} \)B. \( \ce{Na} \)C. \( \ce{Na2S} \)D. None of these
Q6. In the reaction \( \ce{2NaCl + F2 -> 2NaF + Cl2} \), which species is reduced?A. \( \ce{NaCl} \)B. \( \ce{Cl2} \)C. \( \ce{NaF} \)D. \( \ce{F2} \)
Q8. In the reaction \( \ce{2S + 3O2 -> 2SO3} \), how many electrons are transferred per sulfur atom?A. 2B. 4C. 8D. 6
Q10. In the reaction \( \ce{4Zn + 10HNO3 -> 4Zn(NO3)2 + NH4NO3 + 3H2O} \), which species is the oxidizing agent?A. \( \ce{Zn} \)B. \( \ce{Zn(NO3)2} \)C. \( \ce{HNO3} \)D. \( \ce{NH4NO3} \)