AP Chemistry - Important Redox agents

30 flashcards · Other · by luckydog789 (harrison holbrook)

  1. Important Oxidizing Agents (these are reduced)

    Formed in reaction

  2. MnO4−1MnO_4^{-1}MnO4−1​ (acid solution)

    Mn+2Mn^{+2}Mn+2

  3. MnO4−1MnO_4^{-1}MnO4−1​ (basic solution)

    MnO2MnO_2MnO2​

  4. MnO2MnO_2MnO2​ (acid solution)

    Mn+2Mn^{+2}Mn+2

  5. Cr2O7−2Cr_2O_7^{-2}Cr2​O7−2​ (acid solution)

    Cr+3Cr^{+3}Cr+3

  6. CrO4−2CrO_4^{-2}CrO4−2​ (basic solution)

    Cr+3Cr^{+3}Cr+3

  7. HNO3HNO_3HNO3​ , concentrated

    NO2NO_2NO2​

  8. HNO3HNO_3HNO3​ , dilute

    NONONO

  9. H2SO4H_2SO_4H2​SO4​ , hot concentrated

    SO2SO_2SO2​

  10. Metallic Ions (ex. Fe+3Fe^{+3}Fe+3 )

    Metallous Ions (ex. Fe+2Fe^{+2}Fe+2 )

  11. Free Halogens (ex. Cl2Cl_2Cl2​ )

    Halide Ions (ex. 2Cl−12Cl^{-1}2Cl−1 )

  12. HClO4HClO_4HClO4​

    Cl−1Cl^{-1}Cl−1

  13. Na2O2Na_2O_2Na2​O2​

    OH−1OH^{-1}OH−1

  14. H2O2H_2O_2H2​O2​

    H2OH_2OH2​O

  15. Perhalates (ex. ClO4−1ClO_4^{-1}ClO4−1​ ), halates (ex. ClO3−1ClO_3^{-1}ClO3−1​ ), halites (ex. ClO2−1ClO_2^{-1}ClO2−1​ )

    Halogens (ex. Cl2Cl_2Cl2​ )

  16. Important Reducing agents (these are oxidized)

    Formed in reaction

  17. Halide ions (ex. 2Cl−12Cl^{-1}2Cl−1 )

    Halogens (ex. Cl2Cl_2Cl2​ )

  18. Free metals (ex. FeFeFe )

    Metal ions, usually of highest charge (ex. Fe+3Fe^{+3}Fe+3 )

  19. Metallous ions (ex. Fe+2Fe^{+2}Fe+2 )

    Metallic ions (ex. Fe+3Fe^{+3}Fe+3 )

  20. Sulfite ions (ex. SO3−2SO_3^{-2}SO3−2​ ), SO2SO_2SO2​ gas

    SO4−2SO_4^{-2}SO4−2​

  21. Free halogens, dilute basic solution (ex. ClClCl )

    Hypohalite ions (ex. ClO−1ClO^{-1}ClO−1 )

  22. Free halogens, concentrated basic solution (ex. ClClCl )

    Halate ions (ex. ClO3−1ClO_3^{-1}ClO3−1​ )

  23. C2O4−2C_2O_4^{-2}C2​O4−2​

    CO2CO_2CO2​

  24. NO2−1NO_2^{-1}NO2−1​

    NO3−1NO_3^{-1}NO3−1​

  25. Sn+2Sn^{+2}Sn+2

    Sn+4Sn^{+4}Sn+4

  26. H2O2H_2O_2H2​O2​

    O2O_2O2​

  27. Misc rules

    rule

  28. Chromium

    Dichromate to Cr+3Cr^{+3}Cr+3 in acid solution; chromate to Cr(OH)3Cr(OH)_3Cr(OH)3​ is basic solution. Dichromate ion can turn into chromate in basic solution, and chromate ion can turn into dichromate ion in acidic solution (note: this is not redox - the CrCrCr retains a constant +6+6+6 charge)

  29. Oxygen

    Hydrogen peroxide can act as an oxidizing agent (reduced to water) and a reducing agent (oxidized to oxygen gas)

  30. Nitrogen

    Nitrate ion is an oxidizing agent only in acid solution. The reduction product is NONONO .