What type of reaction is FeS+HClFeCl2+H2S?

1 Answer

Double displacement.

Explanation:

It's a double displacement reaction.

These commonly occur when the reactant species are both binary compounds. You might want to balance it though if you have to do any further calculations.

FeS(s)+2HCl(aq)FeCl2(aq)+H2S(g)