Напишите молекулярные и ионные уравнения следующих превращений: 1. Fe2O3->Fe 2. Fe->FeS 3. Fe->FeCl2. 4.Fe->FeCl3 5. Fe->Fe3O4 6. FeS -> FeCl2. 7. FeCl2->Fe(OH)2. 8. Fe(OH)2->FeO 9. Fe(OH)2 -> FeSO4. 10. FeO->FeSO4. 11. Fe(OH)2 ->Fe(OH)3 12. FeCl3->Fe(OH)3 13. Fe(OH)3-> Fe2(SO4)3. 14. Fe(OH)3-> Fe2O3. 15. Fe2O3->Fe2(SO4)3.

Question 1

Задача Задача №88370

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Аноним

05 декабря 2023 17:42 · публичный вопрос

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Аноним 05 декабря 2023 17:42

Напишите молекулярные и ионные уравнения следующих превращений: 1. Fe2O3->Fe 2. Fe->FeS 3. Fe->FeCl2. 4.Fe->FeCl3 5. Fe->Fe3O4 6. FeS -> FeCl2. 7. FeCl2->Fe(OH)2. 8. Fe(OH)2->FeO 9. Fe(OH)2 -> FeSO4. 10. FeO->FeSO4. 11. Fe(OH)2 ->Fe(OH)3 12. FeCl3->Fe(OH)3 13. Fe(OH)3-> Fe2(SO4)3. 14. Fe(OH)3-> Fe2O3. 15. Fe2O3->Fe2(SO4)3.

Answer

Fe2O3 -> 2 Fe Molecular equation: Fe2O3 -> 2 Fe Ionic equation: Fe2O3 -> 2 Fe3+ + 6 O2-
Fe -> FeS Molecular equation: Fe -> FeS Ionic equation: Fe -> Fe2+ + 2 e-
Fe -> FeCl2 Molecular equation: Fe -> FeCl2 Ionic equation: Fe -> Fe2+ + 2 e-
Fe -> FeCl3 Molecular equation: Fe -> FeCl3 Ionic equation: Fe -> Fe3+ + 3 e-
Fe -> Fe3O4 Molecular equation: Fe -> Fe3O4 Ionic equation: Fe -> Fe2+ + 2 e-
FeS -> FeCl2 Molecular equation: FeS + 2 HCl -> FeCl2 + H2S Ionic equation: FeS + 2 H+ -> Fe2+ + H2S
FeCl2 -> Fe(OH)2 Molecular equation: FeCl2 + 2 NaOH -> Fe(OH)2 + 2 NaCl Ionic equation: Fe2+ + 2 Cl- + 2 Na+ + 2 OH- -> Fe(OH)2 + 2 Na+ + 2 Cl-
Fe(OH)2 -> FeO Molecular equation: 2 Fe(OH)2 -> FeO + H2O Ionic equation: 2 Fe2+ + 4 OH- -> FeO + 2 H2O
Fe(OH)2 -> FeSO4 Molecular equation: Fe(OH)2 + H2SO4 -> FeSO4 + 2 H2O Ionic equation: Fe2+ + 2 OH- + H+ + SO4(2-) -> FeSO4 + 2 H2O
FeO -> FeSO4 Molecular equation: FeO + H2SO4 -> FeSO4 + H2O Ionic equation: Fe2+ + O2- + H+ + SO4(2-) -> FeSO4 + H2O
Fe(OH)2 -> Fe(OH)3 Molecular equation: Fe(OH)2 + NaOH -> Fe(OH)3 + NaOH Ionic equation: Fe2+ + 2 OH- + Na+ + OH- -> Fe(OH)3 + Na+
FeCl3 -> Fe(OH)3 Molecular equation: FeCl3 + 3 NaOH -> Fe(OH)3 + 3 NaCl Ionic equation: Fe3+ + 3 Cl- + 3 Na+ + 3 OH- -> Fe(OH)3 + 3 Na+ + 3 Cl-
Fe(OH)3 -> Fe2(SO4)3 Molecular equation: 2 Fe(OH)3 + 3 H2SO4 -> Fe2(SO4)3 + 6 H2O Ionic equation: 2 Fe(OH)3 + 6 H+ + 3 SO4(2-) -> Fe2(SO4)3 + 6 H2O
Fe(OH)3 -> Fe2O3 Molecular equation: 2 Fe(OH)3 -> Fe2O3 + 3 H2O Ionic equation: 2 Fe3+ + 6 OH- -> Fe2O3 + 3 H2O
Fe2O3 -> Fe2(SO4)3 Molecular equation: Fe2O3 + 3 H2SO4 -> Fe2(SO4)3 + 3 H2O Ionic equation: 2 Fe3+ + 3 O2- + 3 H+ + 3 SO4(2-) -> Fe2(SO4)3 + 3 H2O

Question 2

Напишите молекулярные и ионные уравнения следующих превращений: 1. Fe2O3->Fe 2. Fe->FeS 3. Fe->FeCl2. 4.Fe->FeCl3 5. Fe->Fe3O4 6. FeS -> FeCl2. 7. FeCl2->Fe(OH)2. 8. Fe(OH)2->FeO 9. Fe(OH)2 -> FeSO4. 10. FeO->FeSO4. 11. Fe(OH)2 ->Fe(OH)3 12. FeCl3->Fe(OH)3 13. Fe(OH)3-> Fe2(SO4)3. 14. Fe(OH)3-> Fe2O3. 15. Fe2O3->Fe2(SO4)3.

Answer

1. Fe2O3 -> 2 Fe Molecular equation: Fe2O3 -> 2 Fe Ionic equation: Fe2O3 -> 2 Fe3+ + 6 O2- 2. Fe -> FeS Molecular equation: Fe -> FeS Ionic equation: Fe -> Fe2+ + 2 e- 3. Fe -> FeCl2 Molecular equation: Fe -> FeCl2 Ionic equation: Fe -> Fe2+ + 2 e- 4. Fe -> FeCl3 Molecular equation: Fe -> FeCl3 Ionic equation: Fe -> Fe3+ + 3 e- 5. Fe -> Fe3O4 Molecular equation: Fe -> Fe3O4 Ionic equation: Fe -> Fe2+ + 2 e- 6. FeS -> FeCl2 Molecular equation: FeS + 2 HCl -> FeCl2 + H2S Ionic equation: FeS + 2 H+ -> Fe2+ + H2S 7. FeCl2 -> Fe(OH)2 Molecular equation: FeCl2 + 2 NaOH -> Fe(OH)2 + 2 NaCl Ionic equation: Fe2+ + 2 Cl- + 2 Na+ + 2 OH- -> Fe(OH)2 + 2 Na+ + 2 Cl- 8. Fe(OH)2 -> FeO Molecular equation: 2 Fe(OH)2 -> FeO + H2O Ionic equation: 2 Fe2+ + 4 OH- -> FeO + 2 H2O 9. Fe(OH)2 -> FeSO4 Molecular equation: Fe(OH)2 + H2SO4 -> FeSO4 + 2 H2O Ionic equation: Fe2+ + 2 OH- + H+ + SO4(2-) -> FeSO4 + 2 H2O 10. FeO -> FeSO4 Molecular equation: FeO + H2SO4 -> FeSO4 + H2O Ionic equation: Fe2+ + O2- + H+ + SO4(2-) -> FeSO4 + H2O 11. Fe(OH)2 -> Fe(OH)3 Molecular equation: Fe(OH)2 + NaOH -> Fe(OH)3 + NaOH Ionic equation: Fe2+ + 2 OH- + Na+ + OH- -> Fe(OH)3 + Na+ 12. FeCl3 -> Fe(OH)3 Molecular equation: FeCl3 + 3 NaOH -> Fe(OH)3 + 3 NaCl Ionic equation: Fe3+ + 3 Cl- + 3 Na+ + 3 OH- -> Fe(OH)3 + 3 Na+ + 3 Cl- 13. Fe(OH)3 -> Fe2(SO4)3 Molecular equation: 2 Fe(OH)3 + 3 H2SO4 -> Fe2(SO4)3 + 6 H2O Ionic equation: 2 Fe(OH)3 + 6 H+ + 3 SO4(2-) -> Fe2(SO4)3 + 6 H2O 14. Fe(OH)3 -> Fe2O3 Molecular equation: 2 Fe(OH)3 -> Fe2O3 + 3 H2O Ionic equation: 2 Fe3+ + 6 OH- -> Fe2O3 + 3 H2O 15. Fe2O3 -> Fe2(SO4)3 Molecular equation: Fe2O3 + 3 H2SO4 -> Fe2(SO4)3 + 3 H2O Ionic equation: 2 Fe3+ + 3 O2- + 3 H+ + 3 SO4(2-) -> Fe2(SO4)3 + 3 H2O