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What is the oxidation number of sulphur ...

What is the oxidation number of sulphur in the following molecules/ ions
`H_2S`

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The oxidation number of Hydrogen is +1, and s=x then,
Let oxidation number = in `H_2S`, i.e., `+(1 times2) +x=0 implies 2+ x=0 therefore x=-2`
Oxidation number of S in `H_2S` is -2.
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