Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

1. Zn

Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

2. NaCl

Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

3. NO2

Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

4. NO3-

Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

5. AlBr3

Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

6. NaHSO4

Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

7. FeCr2O4

Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

8. TiCl62-

Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

9. HPO42-

Part I - Determine the oxidation number of the boldface element in the following formulas for compounds or ions.

10. NaWO3

Part II - Identify the oxidizing agent in each of the following equations.

HINT: Choose an element and determine its oxidation number on both sides of the equation. 

Part II - Identify the oxidizing agent in each of the following equations.

REMEMBER:

Oxidizing agents are reducedReducing agents are oxidized 

Part II - Identify the oxidizing agent in each of the following equations.

11.

2Br- + Cl2 → Br2 + 2Cl-

Part II - Identify the oxidizing agent in each of the following equations.

11.

2Br- + Cl2 → Br2 + 2Cl-

-1 0 → 0 -1

Part II - Identify the oxidizing agent in each of the following equations.

11.

2Br- + Cl2 → Br2 + 2Cl-

-1 0 → 0 -1

Part II - Identify the oxidizing agent in each of the following equations.

11.

2Br- + Cl2 → Br2 + 2Cl-

-1 0 → 0 -1Oxidizing agents are reduced

Part II - Identify the oxidizing agent in each of the following equations.

11.

2Br- + Cl2 → Br2 + 2Cl-

-1 0Oxidizing agents

Part II - Identify the oxidizing agent in each of the following equations.

11.

2Br- + Cl2 → Br2 + 2Cl-

-1

Part II - Identify the oxidizing agent in each of the following equations.

12.

Fe + Ag+ → Fe2+ + Ag

Part II - Identify the oxidizing agent in each of the following equations.

12.

Fe + Ag+ → Fe2+ + Ag

Part II - Identify the oxidizing agent in each of the following equations.

13.

2Zn + O2 → 2ZnO

Part II - Identify the oxidizing agent in each of the following equations.

13.

2Zn + O2 → 2ZnO

Part II - Identify the oxidizing agent in each of the following equations.

14.

H2S + Cl2 → S + 2HCl

Part II - Identify the oxidizing agent in each of the following equations.

14.

H2S + Cl2 → S + 2HCl

Part II - Identify the oxidizing agent in each of the following equations.

15.

4NH3 + 5O2 → 4NO + 6H2O

Part II - Identify the oxidizing agent in each of the following equations.

15.

4NH3 + 5O2 → 4NO + 6H2O

Part II - Identify the oxidizing agent in each of the following equations.

16.

Na2SO4 + 4C → Na2S + 4CO

Part II - Identify the oxidizing agent in each of the following equations.

16.

Na2SO4 + 4C → Na2S + 4CO

Part II - Identify the oxidizing agent in each of the following equations.

16.

Na2SO4 + 4C → Na2S + 4CO

Part II - Identify the oxidizing agent in each of the following equations.

17.

4IrF2 + Ir → 5 IrF4

Part II - Identify the oxidizing agent in each of the following equations.

17.

4IrF2 + Ir → 5 IrF4

Part II - Identify the oxidizing agent in each of the following equations.

17.

4IrF2 + Ir → 5 IrF4

Part II - Identify the oxidizing agent in each of the following equations.

18.

2Na + 2H+ → 2Na+ + H2

Part II - Identify the oxidizing agent in each of the following equations.

18.

2Na + 2H+ → 2Na+ + H2