Make an equation and Classify the compounds FeO-FeSO4-Fe (OH) 2-FeO-Fe-FeCl2

Oxides: FeO – iron (II) oxide.

Salts: FeSO4 – iron (II) sulfate; FeCl2 – iron (II) chloride.

Hydroxides: Fe (OH) 2 – iron (II) hydroxide.

Fe is a simple substance, metal.

1. Iron (II) oxide, reacting with sulfuric acid, form iron (II) sulfate and water.

FeO + H2SO4 = FeSO4 + H2O.

2. The product of the reaction between ferrous sulfate and sodium hydroxide is iron (II) hydroxide and sodium sulfate.

FeSO4 + 2NaOH = Fe (OH) 2 ↓ + Na2SO4.

4. When heated, iron hydroxide decomposes to iron (II) oxide and water.

Fe (OH) 2 → FeO + H2O.

5. Iron (II) oxide is reduced by hydrogen to iron.

FeO + H2 = Fe + H2O.

6. Iron, reacting with hydrochloric acid, forms iron (II) chloride and hydrogen.

Fe + 2HCl = FeCl2 + H2.

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