Question

What is the valency of iron Fr2S3

Answer 1

Answer:

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Explanation:

You can see it has 6 electrons in its outermost shell and it needs two more electrons to complete its octet. So, itsvalency is 2. ... But in FeCl2 , iron is combined with two chlorine atoms so it donates two electrons to two chlorine atoms. Thus, the valency of Iron (Fe) here is 2.

Answer 2

Answer:

Iron has a valency of 2+ or 3+, so there are two iron sulfide molecules: FeS and Fe2S3. The first one is called ferrous sulfide and the other one is ferric sulfide. The sulfide ion has a valency of 2-, so the valency of iron in FeS is 2+.