What happens when dilute HCl is poured on a mixture of iron and sulphur - Science - Is Matter Around Us Pure

Question

What happens when dilute HCl is poured on a mixture of iron and
sulphur

Arti Gujrati · Accepted Answer

If we will take a mixture of Fe and sulfur and add Dilute HCl only
iron will react to form FeCl2, reaction will takes place
as follows

Fe + 2HCl â†’ FeCl2 +
H2

But if the mixture of Fe and S is heated they form FeS If we add
HCl in FeS it will release H2S Reaction takes place as
follows:

FeS + 2HCl â†’ FeCl2 +
H2S

What happens when dilute HCl is poured on a mixture of iron and sulphur.