00:01
The sum of the oxidation states is equal to the overall charge of a molecule or an ion.
00:14
So that will help us figure out what the oxidation state of chlorine is.
00:21
So the other thing to note is that the oxidation state of oxygen is negative two in this case.
00:41
The only time it's not negative 2 is when we have the peroxide ion, but here we have the hypochlorite ion to start with.
00:52
So we have clo, and it has a charge of negative 1.
00:59
So the sum of the cl plus the o has to be negative 1.
01:04
If o is always negative 2, then what minus 2 is negative 1? well, 1 minus 2 is negative 1.
01:18
Remember, we have to sum the oxidation states.
01:21
So when we add these together, we get negative 1.
01:23
So the oxidation state of the chlorine here is plus 1.
01:30
If we were to look at the chloride ion, each oxygen is negative 2, and there's two oxygens...