Redox (P1+P3) Flashcards
1
Q
Oxidising agent can
A
accept electrons
2
Q
Reducing agent can
A
donate electrons
3
Q
Define oxidation state
A
Number assigned to atoms in a compound to find out which elements are gaining or losing electrons
4
Q
Ox state of Hydrogen
A
+1
except when bonded to a metal where it is -1
5
Q
Ox state of group 1 metals
A
+1
6
Q
Ox state group 2 metals
A
+2
7
Q
Ox state of aluminium
A
+3
8
Q
Ox state Oxygen
A
-2
except in H2O2 or when bonded to F where it is -1
9
Q
Ox state of Fluorine
A
-1
10
Q
Ox state of Chlorine
A
-1
11
Q
Balancing half equations
A
- Balance central atom
- Balance the O by adding H2O
- Balance H by adding H+ ions
- balance charges by adding electrons to more positive side.
