REDOX Equations: Writing Net Ionic Reactions Name: _______________
Write net unbalanced ionic reactions for 20 of the following as a post lab report due REDOX Day or the week after as a post lab report:

The following Unbalanced Basic Media REDOX equations need to be re-written ionically Unbalanced. Rewrite the following Unbalanced chemical equations ionically in total ionic form (without balancing), 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. This is Step#1 in REDOX balancing so the equations can not be balanced first as shown in the book (and as on the test item M-8G.)

Rewrite as ions electrolytes such as

(a) Soluble salts,

(b) Strong acids, Some strong acids are hydrochloric acid, nitric acid, sulfuric acid, perchloric acid, hydrobromic acid and hydroiodic acid.

(c) Strong bases. Strong bases include KOH and NaOH and any soluble hydroxide. Soluble salts are those ionic hydroxide compounds with (aq) (water solution: therefore soluble).

Reference: Corwin: Section 14.11
McMurry: Section 4.3

REDOX Challenge Contest: Basic Media REDOX Equations Step One

1: Bi₂O₃(s) + NaOH(aq)+ NaClO(aq) à NaBiO₃(aq) + NaCl(aq) + H₂O(l)

2: Zn(s) + VO₂NO₃(aq) + H₂O(l) + KNO₃(aq) à Zn(NO₃)₂(aq) + VO(NO₃)₂(aq) + KOH(aq)

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

4: I₂(s) + KClO₃(aq) + KOH(aq) à KIO₃(aq) + KCl(aq) + H₂O(l)

5: Br₂(l) + SO₂(g) + KOH(aq) à KBr(aq) + K₂ SO₄ (aq) + H₂O(l)

Page 2 Net Unbalanced Ionic REDOX Reactions

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

7: Zn(s) + NaNO₃(aq) + NaOH(aq) + H₂O(l) à Na₂ZnO₂(aq) + NH₃(g)

8: KMnO₄ (aq) + K₂C₂O₄(aq) + KOH (aq) à MnO₂(s) + K₂CO₃ (aq) + H₂O(l)

9: Zn(s) + NaNO₃(aq) + NaOH(aq à Na₂[Zn(OH)₄] (aq) + NH₃(g) + H₂O(l)

10: H₂O₂(l) + Cl₂O₇(l) + NaOH(aq) à O₂(g) + NaClO₂ (aq) + H₂O(l)

11: KMnO₄(aq) + K₂C₂O₄ (aq) + KOH(aq) à MnO₂(s) + K₂CO₃ (aq) + H₂O(l)

12: KMnO₄ (aq) + KIO (aq) + H₂O(l) à MnO₂(s) + KIO₄(aq) + KOH(aq)

^13: K₂C₄H₄O₆ (aq) + KClO₃(aq) + KOH(aq) à K₂CO₃(aq) + KCl (aq) + H₂O(l)

Page 2 Net Unbalanced Ionic REDOX Reactions

14: KMnO₄(aq) + KCN(aq) + H₂O (l) à MnO₂(s) + KCNO (aq) + KOH(aq)

15: Na₂S(aq) + I₂(s) + NaOH (aq) à Na₂SO₄ (aq) + NaI(aq) + H₂O (l)

16: Cr(OH)₃(s) + Cl₂(g) + NaOH (aq) à NaCl (aq) + Na₂CrO₄(aq) + H₂O(l)

17. Fe(OH)₂(s) + O₂(g) + H₂O(l) à Fe(OH)₃(s)

18. K₃Fe(CN)₆(aq) + Cr₂O₃(s) + KOH (aq à K₄Fe(CN)₆ (aq) + K₂CrO₄ (aq) + H₂O(l)

19: NaBH₄(aq) + NaClO₃(aq à NaH₂BO₃(aq) + NaCl(aq) + H₂O(l)

20. NaAlH₄(aq) + H₂CO₃(aq) + NaCl(aq) + H₂O(l) à AlCl₃(aq) + CH₃OH(l) + NaOH(aq)