Chemistry Rules!^'06

• Preparation of Period 3 oxides
• Preparation of Period 3 chlorides
• Reactions with water
• Metals and water
• Metal oxides and water
• Metal chlorides and water
• Trends in properties

Equations :

2Mg_(s) + O_2(g) 2MgO_(s)

4Al_(s) + 3O_2(g) 2Al₂O_3(s)

S_(s) + O_2(g) SO_2(g)

Equations :

2Na_(s) + Cl_2(g) 2NaCl_(s)

Mg_(s) + Cl_2(g) MgCl_2(s)

2Al_(s) + 3Cl_2(g) Al₂Cl_6(s)

Si_(s) + 2Cl_2(g) SiCl_4(l)

P_4(s) + 10Cl_2(g) 4PCl_5(s)

2Na_(s) + 2H₂O_(l) 2NaOH(aq)+ H_2(g)

Mg_(s) + 2H₂O_(l) Mg(OH)_2(aq)+ H_2(g)

MgO_(s) + H₂O_(l) Mg(OH)_2(aq)

SO_2(g) + H₂O_(l) H₂SO_3(aq)

NaCl_(s) (+ H₂O_(l)) Na⁺_(aq) + Cl^-_(aq)

MgCl_2(s) (+ H₂O_(l)) Mg²⁺_(aq) + 2Cl^-_(aq)

Al₂Cl_6(s) + 6H₂O_(l) 2Al(OH)_3(s) + 6HCl_(aq)

SiCl_4(l) + 2H₂O_(l) SiO_2(s) + 4HCl_(aq)

PCl_5(s) + 4H₂O_(l) H₃PO_4(aq) + 5HCl_(aq)

Bonding -

Structure -

written by Dr Richard Clarkson : © Saturday, 1 November 1997

updated : Sunday, 30^th October, 2005

mail to: chemistryrules@rjclarkson.demon.co.uk

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