Question

Осуществить цепочку превращения веществ, записав уравнения соответствующих реакций. Назвать реагенты и продукты всех реакций цепочки: Fe ⇒ FeCl2 ⇒ Fe(OH)2 ⇒FeSO4 ⇒ (FeOH)2SO4.

Answer 1

Fe + 2HCl = FeCl₂ + H₂(хлорид железа (II) и водород)
FeCl₂ + 2KOH = Fe(OH)₂ + 2KCl (гидроксид железа (II)  и хлорид калия)
Fe(OH)₂ + H₂SO₄ = FeSO₄ + 2H₂O (сульфат железа (II) и вода)
2FeSO₄ + 2NaOH = (FeOH)₂SO₄ +  Na₂SO₄ (гидроксосульфат железа (II) и сульфат натрия)

Answer 2

Chain of Substance Transformations:

The given chain of substance transformations involves the conversion of iron (Fe) into various compounds. Let's break down the chain and write the equations for each reaction:

1. Iron (Fe) to Iron(II) chloride (FeCl2): - Reagents: Iron (Fe), Hydrochloric acid (HCl) - Reaction Equation: Fe + 2HCl → FeCl2 + H2 [[1]]

2. Iron(II) chloride (FeCl2) to Iron(II) hydroxide (Fe(OH)2): - Reagents: Iron(II) chloride (FeCl2), Sodium hydroxide (NaOH) - Reaction Equation: FeCl2 + 2NaOH → Fe(OH)2 + 2NaCl [[2]]

3. Iron(II) hydroxide (Fe(OH)2) to Iron(II) sulfate (FeSO4): - Reagents: Iron(II) hydroxide (Fe(OH)2), Sulfuric acid (H2SO4) - Reaction Equation: Fe(OH)2 + H2SO4 → FeSO4 + 2H2O [[3]]

4. Iron(II) sulfate (FeSO4) to Iron(II) hydroxysulfate ((FeOH)2SO4): - Reagents: Iron(II) sulfate (FeSO4), Sodium hydroxide (NaOH) - Reaction Equation: FeSO4 + 2NaOH → (FeOH)2SO4 + 2NaCl [[4]]

Please note that these equations represent the general reactions involved in the transformation of the given substances. The actual reaction conditions, stoichiometry, and specific reagents used may vary depending on the experimental setup.

I hope this helps! Let me know if you have any further questions.

[[1]] Source: [Chemical Equation Balancer - Fe + HCl = FeCl2 + H2](https://www.webqc.org/balance.php?reaction=Fe+%2B+HCl+%3D+FeCl2+%2B+H2) [[2]] Source: [Chemical Equation Balancer - FeCl2 + NaOH = Fe(OH)2 + NaCl](https://www.webqc.org/balance.php?reaction=FeCl2+%2B+NaOH+%3D+Fe%28OH%292+%2B+NaCl) [[3]] Source: [Chemical Equation Balancer - Fe(OH)2 + H2SO4 = FeSO4 + H2O](https://www.webqc.org/balance.php?reaction=Fe%28OH%292+%2B+H2SO4+%3D+FeSO4+%2B+H2O) [[4]] Source: [Chemical Equation Balancer - FeSO4 + NaOH = (FeOH)2SO4 + NaCl](https://www.webqc.org/balance.php?reaction=FeSO4+%2B+NaOH+%3D+%28FeOH%292SO4+%2B+NaCl)