Question

name the following
1 na₂so₃
2 nahso₄
3 fe₂(so₃)₃
4 fes
a. iron sulfide b. iron (ii) sulfide c. sodium hydrogen sulfide
d. sodium hydrogen sulfite e. sodium hydrogen sulfate f. iron sulfite
g. iron (ii) sulfite h. iron (iii) sulfite i. disodium sulfite j. sodium sulfite
k. sodium sulfate l. disodium sulfate

Explanation:

1. For $Na_2SO_3$, sodium is the cation and $SO_3^{2 - }$ is sulfite ion, so it's sodium sulfite.
2. For $NaHSO_4$, sodium is the cation and $HSO_4^{-}$ is hydrogen - sulfate ion, so it's sodium hydrogen sulfate.
3. For $Fe_2(SO_3)_3$, iron has a + 3 oxidation state here and $SO_3^{2 - }$ is sulfite ion, so it's iron(III) sulfite.
4. For FeS, iron has a + 2 oxidation state and S is sulfide ion, so it's iron(II) sulfide.

Answer:

1. J. sodium sulfite
2. E. sodium hydrogen sulfate
3. H. iron(III) sulfite
4. B. iron(II) sulfide