Question

When FeCl2 reacts with K2S, potassium chloride and two compounds are produced. What is the name of the one of the compounds?

Answer 1

Because this is a double replacement reaction, the iron and potassium will swap places, giving $\text{K}_{2}\text{Cl}_{2}$ and $\text{FeS}$.

The names of these compounds are potassium chloride and Iron(II) sulfide