METAL NON-METAL- IMPORTANT EQUATIONS

Here are all the chemical equations related to metals and non-metals extracted from the provided document:

Chemical Equations for Metals

1. Formation of Aluminium Oxide:

4Al(s)+3O₂(g)→2Al₂O₃(s)

This equation shows the reaction of aluminium with oxygen to form aluminium oxide.

• Formation of Copper(II) Oxide:

2Cu(s)+O₂(g)→2CuO(s)

This represents the reaction of copper with oxygen to produce copper(II) oxide.

• Reaction of Potassium with Water:

2K(s)+2H₂O(l)→2KOH(aq)+H₂(g)

This illustrates the violent reaction of potassium with water .

• Reaction of Sodium with Water:

2Na(s)+2H₂O(l)→2NaOH(aq)+H₂(g)+Heat​

This shows sodium reacting with water to form sodium hydroxide and hydrogen gas.

• Reaction of Calcium with Water:

Ca(s)+2H₂O(l)→Ca(OH)₂(aq)+H₂(g)

This represents the reaction of calcium with water.

• Reaction of Aluminium with Steam:

2Al(s)+3H₂O(g)→Al₂O₃(s)+3H₂(g)

This shows aluminium reacting with steam to produce aluminium oxide and hydrogen.

• Reaction of Iron with Steam:

3Fe(s)+4H₂O(g)→Fe₃O₄(s)+4H₂(g)

This illustrates iron reacting with steam to produce ferrous oxide and hydrogen.

• Reaction of Zinc with Dilute Hydrochloric Acid:

Zn(s)+2HCl(aq)→ZnCl₂(aq)+H₂(g)

This equation represents the reaction of zinc with dilute hydrochloric acid.

• Reaction of Iron with Dilute Hydrochloric Acid:

Fe(s)+2HCl(aq)→FeCl₂(aq)+H₂(g)

This shows iron reacting with dilute hydrochloric acid to produce iron(II) chloride and hydrogen gas.

• Roasting of Zinc Sulphide:

2ZnS(s)+3O₂(g)→2ZnO(s)+2SO₂(g)2ZnS(s)+3O₂​(g)→2ZnO(s)+2SO₂​(g)

This shows the roasting process of zinc sulphide to form zinc oxide and sulphur dioxide.

• Calcination of Zinc Carbonate:

ZnCO₃(s)→ZnO(s)+CO₂(g)

This represents the calcination of zinc carbonate to produce zinc oxide and carbon dioxide.

• Reduction of Zinc Oxide:

ZnO(s)+C(s)→Zn(s)+CO(g)

This shows the reduction of zinc oxide to zinc using carbon.

Chemical Equations for Non-Metals

• Reaction of Sulphur with Concentrated Sulfuric Acid:

S(s)+2H₂SO₄(conc.)→Heat 3SO₂(g)+2H₂O(l)

This equation shows the reaction of sulphur with concentrated sulphuric acid to produce sulphur dioxide and water.

• Reaction of Sulphur with Concentrated Nitric Acid:

S(s)+6HNO₃(conc.)→HeatH₂SO₄(aq)+6NO₂(g)+2H₂O(aq)

This illustrates the reaction of sulphur with concentrated nitric acid, resulting in sulfuric acid, nitrogen dioxide, and water.

• Displacement Reaction of Chlorine with Sodium Bromide:

Cl₂(g)+2NaBr(l)→2NaCl(l)+Br₂(g)

This equation represents the displacement reaction where chlorine displaces bromine from sodium bromide.