Correct the formula to match the name of the following compo

Correct the formula to match the name of the following compound: mercurous sulfide, HgS.

The formula of mercurous sulfide is Hg2S.

The name of compound HgS is mercuric sulfide.

Metal with low oxidation state is named as ous.

Metal with high oxidation state is named as ic.

Hg2S : oxidation state of Hg is +1

So, it is name as ous.

Hence name of the compound is mercurous sulfide.

HgS: oxidation state of Hg is +2. So name as ic.

Hence name of the compound is mercuric sulfide.