Find the difference of the oxidation state of S-atoms in sodium pyrosulphite.

The oxidation state of O-atom is +2 in

The oxidation state of S in S_8 is

The oxidation state of sodium in sodium amalgam is

Oxidation state of oxygen atom in sodium peroxide is :

The oxidation state of iron in sodium nitro prusside is

The oxidation state of iron in sodium nitroprusside is :

What are the different oxidation states of oxygen ?

If the oxoacid, H_(4)P_(2)O_(6) contains P-O-P linkage, find the difference in oxidation state of two phosphorus atoms.