Chem 115 Worked Example

A Worked Example

Sulfur is oxidized and oxygen is reduced in the example reaction below.

Balanced Chemical Equation

PbS _(s)
+
4H₂O_{2 (aq)}
--->
PbSO_{4 (s)}

+

4H₂O _(l)

Oxidation States

(+2)(-2)

2(+1) 2(-1)

(+2)(+6)(-2)4

2(+1)(-2)

Action

Oxidized

Reduced

Function

Reducing Agent

Oxidizing Agent

Sunday, July 28, 2002, Report problems or bugs.

Balanced Chemical Equation	PbS _(s)	+	4H₂O_{2 (aq)}	--->	PbSO_{4 (s)}	+	4H₂O _(l)
Oxidation States	(+2)(-2)		2(+1) 2(-1)		(+2)(+6)(-2)4		2(+1)(-2)
Action	Oxidized		Reduced
Function	Reducing Agent		Oxidizing Agent