The oxidation number of sulphur in S8, S2F2, H2S respectively, are
0, +1 and - 2
+ 2, +1 and - 2
0, + 1 and + 2
- 2, + 1 and - 2
§8=0
S2F2 =+1
H2S=-2
The oxidation number of sulphur in S8,S2F2 and H2S respectively are