Question

FeS→FeO→Fe(NO3)2→Fe(OH)2→FeO→Fe

Answer 1

Ответ:FeS→FeO→Fe(NO3)2→Fe(OH)2→FeO→Fe

1)FeS+O2→FeO+SO2↑  

2)FeO+2HNO3→Fe(NO3)2+H2O  

3)Fe(NO3)2+2NaOH→Fe(OH)2↓+2NaNO                

4)Fe(OH)2 →t°→FeO+H2O  

5)FeO+H2→Fe+H2O

Объяснение:

Answer 2

The sequence of chemical reactions you've provided seems to represent the transformation of iron sulfide (FeS) through several chemical reactions. I'll break down each step:

1. FeS (Iron Sulfide) → FeO (Iron(II) Oxide): FeS reacts with oxygen (O2) to form iron(II) oxide (FeO) in the following reaction: 4 FeS + 7 O2 → 2 Fe2O3 + 4 SO2 The result of this reaction is iron(II) oxide, not iron(II) oxide, as you originally indicated.

2. FeO (Iron(II) Oxide) → Fe(NO3)2 (Iron(II) Nitrate): To convert iron(II) oxide (FeO) to iron(II) nitrate (Fe(NO3)2), you would typically react FeO with nitric acid (HNO3). The reaction would look something like this: FeO + 2 HNO3 → Fe(NO3)2 + H2O

3. Fe(NO3)2 (Iron(II) Nitrate) → Fe(OH)2 (Iron(II) Hydroxide): To convert iron(II) nitrate (Fe(NO3)2) to iron(II) hydroxide (Fe(OH)2), you can add a solution of sodium hydroxide (NaOH) to the iron(II) nitrate solution, which will precipitate iron(II) hydroxide. The reaction can be represented as follows: Fe(NO3)2 + 2 NaOH → Fe(OH)2 + 2 NaNO3

4. Fe(OH)2 (Iron(II) Hydroxide) → FeO (Iron(II) Oxide): Iron(II) hydroxide (Fe(OH)2) can undergo dehydration to form iron(II) oxide (FeO): Fe(OH)2 → FeO + H2O

5. FeO (Iron(II) Oxide) → Fe: If you further heat iron(II) oxide (FeO) under reducing conditions, it can be reduced to form metallic iron (Fe): 3 FeO + C → 2 Fe + CO2

So, the overall sequence of reactions you've provided would transform iron sulfide (FeS) into metallic iron (Fe) through a series of chemical reactions. Please note that in practical situations, there might be side reactions or impurities to consider, so the actual chemical processes can be more complex.