Question

Iron(II) sulfate and ammonium sulfide __________?

Options:
A) Form a precipitate
B) React violently
C) Are inert substances
D) Produce a gas

Answer 1

A precipitate is formed between iron(II) sulfate and ammonium sulfide.

Step-by-step explanation:

In a reaction between iron(II) sulfate and ammonium sulfide, a precipitate is formed. The ionic charges of both reactants are used to construct the correct formulas for the products. Iron(II) sulfate (FeSO4) contains the iron(II) ion (Fe2+) and the sulfate ion (SO4^2-), while ammonium sulfide ((NH4)2S) contains the ammonium ion (NH4+) and the sulfide ion (S^2-). When these react, they form iron(II) sulfide (FeS), which is a solid precipitate.