2.1.5 redox reactions Flashcards
1
Q
Rule 1 *
A
All elements in their natural state have the oxidation number 0. e.g. hydrogen = 0
2
Q
Rule 2 *
A
Oxidation number of atoms of any molecule add up to zero
3
Q
Rule 3 *
A
Oxidation numbers of the components of any ion add up to the charge of that ion. e.g. OH- sum of oxidation numbers= -1.
4
Q
Rule 4
A
The oxidation number of elements in group 1, 2 and 3 are +1, +2 and +3.
5
Q
Rule 5
A
The oxidation number of Fluorine is ALWAYS -1.
6
Q
Rule 6
A
The oxidation number of Hydrogen is usually +1.
7
Q
Rule 7
A
The oxidation number of Oxygen is usually -2.
8
Q
Rule 8
A
The oxidation number of Chlorine is usually -1.
