Question

valency of feS iron sulphide​

Answer 1

Answer:

there are two iron sulfide molecules: FeS and Fe2S3.

feS is called ferrous sulphide and fe2S3 is called ferric sulphide.

The sulfide iron has a valency of 2, so the valency of iron in FeS is 2+.

Answer 2

Answer:

I hope this answer is correct.