Chemistry - Oxidation and Reduction

Oxidation :

1. Gain of oxygen

2. Loss of hydrogen

3. Loss of electrons

4. Increase in oxidation state

Reduction:

1. Loss of oxygen

2. Gain of hydrogen

3. Gain of electrons

4. Decrease in oxidation state

Table

Group I metals in a compound: eg: NaCl, KCl,  oxidation state +1
Group II metals in a compound: +2
Aluminium in a compound: +3
Group VII non-metals in a compound: -1
Hydrogen in a compound…