Redox Flashcards
1
Q
Combined oxygen state in peroxide
A
-1
2
Q
OF2 state
A
2+
3
Q
O2F2
A
+1
4
Q
Combined h2 hydrides
A
-1
5
Q
Balancing
A
For reduction add es to reactants
For oxidation es to products
6
Q
Balancing complex half equations
A
Balance charge Mn04- + 5e- = Mn 2+ Add h20 to balance 02 Mn04- + 5e- = Mn2+ + 4H20 Add H+ to balance hydrogen Mn04- + 8H+ + 5e- = Mn2+ + 4H20 Check if changes balanced
7
Q
Combining half equations
A
Use oxidation states to identify what is going under oxidation or reduction
Balance atoms
Balance oxygen adding H20
Balance hydrogen by adding H+
Balance elements
Multiply Half equation so equal es
Combine and cancel anything that appears twice
