REDOX Equations: Writing Net Ionic Reactions Name: _Answers___
Write net unbalanced ionic reactions for 10 of the following as a post lab report due REDOX Day:
The following Unbalanced Basic Media REDOX equations need to be re-written ionically. Rewrite the following chemical equations ionically in total ionic form, then cancel spectators for the net ionic equation. Do not forget to place charges on the ions and no charge on the molecules/formula units. Rewrite as ions electrolytes such as soluble salts, strong acids, and strong bases. Some strong acids are hydrochloric acid, nitric acid, sulfuric acid, perchloric acid, hydrobromic acid and hydroiodic acid. Strong bases include KOH and NaOH and any soluble hydroxide. Soluble salts are those ionic compounds with (aq) (water solution: therefore soluble)

REDOX Challenge Contest: Basic Media REDOX Equations

1: Bi2O3 + NaOH + NaClO NaBiO3 + NaCl + H2O

1 . Bi2O3 + OH1- + ClO1- BiO31- + Cl1- + H2O

 

 

2: Zn + VO2NO3 + H2O + KNO3 Zn(NO3)2 + VO(NO3)2 + KOH

 

2. Zn + VO21+ + H2O Zn2+ + VO2+ + OH1-

 

 

3: V(OH)4Cl + SnCl2 + KCl VOCl2 + SnCl4 + KOH + H2O

3. V(OH)4 1+ + Sn 2+ VO2+ + Sn4+ + OH 1- + H2O

 

 

4: I2 + KClO3 + KOH KIO3 + KCl + H2O

4. I2 + ClO3 1- + OH 1- IO3 1- + Cl 1- + H2O

 

5: Br2 + SO2 + KOH KBr + K2 SO4 + H2O

5. Br2 + SO2 + OH 1- Br 1- + SO4 2- + H2O

 

 

6: Cr(OH)4Cl + NaClO + NaOH Na2CrO4 + NaCl + H2O

6. Cr(OH)41- + ClO1- + OH1- CrO42- + Cl1- + H2O

 

7: Zn + NaNO3 + NaOH + H2O Na2ZnO2 + NH3

7. Zn + NO3 1- + OH 1- + H2O ZnO2 2- + NH3

 

8: KMnO4 + K2C2O4 + KOH MnO2 + K2CO3 + H2O

8 MnO4 1- + C2O4 2- + OH 1- MnO2 + CO3 2- + H2O

 

 

9: Zn + NaNO3 + NaOH Na2[Zn(OH)4] + NH3 + H2O

9. Zn + NO3 1- + OH 1- [Zn(OH)4]2- + NH3 + H2O

 

10: H2O2 + Cl2O7 + NaOH O2 + NaClO2 + H2O

10: H2O2 + Cl2O7 + NaOH O2 + NaClO2 + H2O

 

11: KMnO4 + K2C2O4 + KOH MnO2 + K2CO3 + H2O

11. MnO4 1- + C2O4 2- + OH 1- MnO2 + CO3 2- + H2O

 

12: KMnO4 + KIO3 + H2O MnO2 + KIO4 + KOH

12. MnO41- + IO31- + H2O MnO2 + IO41- + OH1-

 

13: K2C4H4O6 + KClO3 + KOH K2CO3 + KCl + H2O

13. C4H4O62- + ClO31- + OH1- CO3 2- + Cl1- + H2O

14: KMnO4 + KCN + H2O MnO2 + KCNO + KOH

14. MnO4 1- + CN 1- + H2O MnO2 + CNO1- + OH 1-

 

15: Na2S + I2 + NaOH Na2SO4 + NaI + H2O

15. S2- + I2 + OH 1- SO42- + I1- + H2O

 

16: Cr(OH)3 + Cl2 + NaOH NaCl + Na2CrO4 + H2O

16: Cr(OH)3 + Cl2 + OH1- Cl1- + CrO4 2- + H2O

 

17. Fe(OH)2 + O2 + H2O Fe(OH)3

17. Fe(OH)2 + O2 + H2O Fe 3+ + OH 1-

 

 

18. K3Fe(CN)6 + Cr2O3 + KOH K4Fe(CN)6 + K2CrO4 + H2O

18. Fe(CN)6 3- + Cr2O3 + OH 1- Fe(CN)6 4- + CrO4 2- + H2O

 

 

 

19: NaBH4 + NaClO3 NaH2BO3 + NaCl + H2O

19. BH4 1- + ClO31- H2BO31- + Cl1- + H2O

 

20. NaAlH4 + H2CO3 + NaCl + H2O AlCl3 + CH3OH + NaOH

20. AlH4 1- + H2CO3 + H2O Al3+ + CH3OH + OH1-