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 à NaBiO3 + NaCl + H2O
1 . Bi2O3 + OH1- + ClO1- à BiO31-
+ Cl1- + H2O
2. Zn + VO21+ + H2O à Zn2+ + VO2+
+ OH1-
3:
V(OH)4Cl +
SnCl2 + KCl à
VOCl2 + SnCl4 + KOH
+ H2O
3. V(OH)4 1+ + Sn 2+ à VO2+ + Sn4+ + OH 1- + H2O
4:
I2 + KClO3
+
KOH à KIO3 +
KCl
+ H2O
4. I2 + ClO3 1- +
OH 1- à IO3 1- +
Cl 1- +
H2O
5:
Br2 +
SO2 +
KOH à
KBr
+ K2 SO4 +
H2O
5. Br2 + SO2 +
OH 1- à Br 1- +
SO4 2-
+ H2O
6:
Cr(OH)4Cl + NaClO + NaOH à
Na2CrO4
+ NaCl +
H2O
6. Cr(OH)41- +
ClO1- + OH1- à CrO42- +
Cl1- + H2O
7:
Zn + NaNO3 +
NaOH
+ H2O à Na2ZnO2 +
NH3
7. Zn +
NO3 1-
+ OH 1- + H2O
à ZnO2 2- + NH3
8:
KMnO4 + K2C2O4 + KOH à
MnO2 + K2CO3 + H2O
8 MnO4
1- + C2O4 2- +
OH 1- à MnO2 +
CO3 2-
+ H2O
9:
Zn + NaNO3 + NaOH à Na2[Zn(OH)4]
+ NH3 +
H2O
9. Zn +
NO3 1-
+ OH 1- à [Zn(OH)4]2- +
NH3 + H2O
10:
H2O2
+ Cl2O7 + NaOH à
O2 +
NaClO2 + H2O
10: H2O2 +
Cl2O7 + NaOH à O2 + NaClO2 +
H2O
11: KMnO4 +
K2C2O4 + KOH
à
MnO2 + K2CO3 + H2O
11. MnO4
1- + C2O4 2- +
OH 1- à MnO2 +
CO3 2-
+ H2O
12: KMnO4 + KIO3 + H2O à MnO2 + KIO4 + KOH
12. MnO41- +
IO31- + H2O à MnO2 +
IO41-
+ OH1-
13: K2C4H4O6 +
KClO3 + KOH à
K2CO3 + KCl +
H2O
13. C4H4O62- +
ClO31-
+ OH1- à CO3 2- +
Cl1- + H2O
14: KMnO4 +
KCN + H2O à
MnO2 + KCNO + KOH
14. MnO4
1- + CN 1- +
H2O à MnO2 +
CNO1- + OH 1-
15:
Na2S + I2 + NaOH à Na2SO4 + NaI + H2O
15. S2- + I2
+ OH
1- à SO42- +
I1- + H2O
16: Cr(OH)3 + Cl2 + NaOH à NaCl + Na2CrO4
+ H2O
16: Cr(OH)3 +
Cl2 + OH1- à Cl1- +
CrO4 2-
+ H2O
17. Fe(OH)2 +
O2 + H2O à Fe(OH)3
17. Fe(OH)2 +
O2 + H2O à Fe 3+ +
OH 1-
18. K3Fe(CN)6 +
Cr2O3
+ KOH à
K4Fe(CN)6
+ K2CrO4 + H2O
18. Fe(CN)6 3- +
Cr2O3
+ OH 1- à Fe(CN)6 4- + CrO4
2- + H2O
19: NaBH4 + NaClO3 à
NaH2BO3 + NaCl +
H2O
19. BH4
1- + ClO31- à H2BO31- +
Cl1- + H2O
20. NaAlH4 + H2CO3 + NaCl + H2O à AlCl3 + CH3OH + NaOH
20. AlH4 1-
+ H2CO3 + H2O à Al3+ + CH3OH +
OH1-