Question

what is the oxidation number of s in h2s

Answer 1

the two hydrogen atoms have an oxidation number of +1, for a total of +2. Therefore, the oxidation number of sulfur in the compound is -2, and the sum of the oxidation numbers is 0...

Answer 2

H2S
let s be x
therefore,
2+x=0 therefore,
x= -2
So, oxidation number of sulphur in hydrogen sulphide is -2