Term
| Reaction of Sodium with Water |
|
Definition
| Vigorous reaction, resulting in a very alkaline solution. Na(s) + H2O(l) = NaOH(aq) + ½ H2 |
|
|
Term
| Reaction of Sodium with Chlorine |
|
Definition
| Burn in Cl gas. Na(s)+ 1/2 Cl2(g) = NaCl (s) |
|
|
Term
| Bonding in Sodium Chloride |
|
Definition
| Giant lattice structure consisting of ionic bonds |
|
|
Term
| Reaction of Sodium Chloride with Water |
|
Definition
| Dissociates in water to produce a neutral solution |
|
|
Term
| Reaction of Magnesium with Water |
|
Definition
Slowly effervesces to form a alkaline solution with a pH of around 10.
Mg(s)+ 2 H20(l) = Mg(OH)2 (aq) + H2 |
|
|
Term
|
Definition
Burns in oxygen with a very bright flame.
Mg(s) + 1/2 O2 = MgO (s) |
|
|
Term
| Bonding in Magnesium Oxide |
|
Definition
|
|
Term
| Magnesium Oxide and Water |
|
Definition
MgO(s) + H2O = Mg(OH)2 (aq)
produces solution with pH around 10. |
|
|
Term
|
Definition
Burn in Cl gas.
Mg(s) + Cl2(g) = MgCl2 (s) |
|
|
Term
| Bonding in Magnesium Chloride |
|
Definition
| Giant Ionic compound but bonds show some covalent character. |
|
|
Term
| Magnesium Chloride and Water |
|
Definition
| Dissociates in water to give a slightly acidic solution - aprox pH 6.5 |
|
|
Term
|
Definition
Reacts immediately at room temperature
2 Al(s) + 1 1/2 O2 (g) = Al2O3(s) |
|
|
Term
| Bonding in Aluminium Oxide |
|
Definition
| Giant ionic structure but bonds show some covalent character due to the large charge density of th Al3+ ion. |
|
|
Term
| Aluminium Oxide and Water |
|
Definition
| It is completely insoluble in Water |
|
|
Term
|
Definition
Pass Cl gas over hot Al
2Al(s) + 3Cl2(g) = Al2Cl6 |
|
|
Term
| Bonding in Aluminium Chloride |
|
Definition
| Mostly covalent bonds. 2 dative convalent bonds are formed from Cl to Al[image] |
|
|
Term
| Aluminium Chloride and Water |
|
Definition
| Dissociates in water to form the Al 3+ hexaaqua ion, then loses H+ to create [Al(H2O)5(OH)] 2+ and so gives off 1 h+, giving a pH as low as 3 |
|
|
Term
|
Definition
on being heated with Cl gas
Si(s) + 2Cl2(g) = SiCl4(s) |
|
|
Term
| Bonding in Silicon Chloride |
|
Definition
| Simple Molecular structure with covalent bonding
[image] |
|
|
Term
| Silicon Chloride and Water |
|
Definition
Vigourous raction to form SiO2 (s) and HCl.
SiCl4(s) + 2H2O = SiO2 (s) + 4 HCl (aq) |
|
|
Term
| Reaction of Phosphorus and Chlorine |
|
Definition
| P4 (s) + 10Cl2 (g) = 4 PCl5 (s) |
|
|
Term
| Bonding in Phosphorus Chloride |
|
Definition
| Simple molecular structure with covalent bonding. |
|
|
Term
| Reaction of Phosphorus Chloride and Water |
|
Definition
PCl5(s)+4H20(l) =5 HCl (aq) + H3PO4(aq)
Vigorous effervescence. Acidic solution formed. |
|
|
Term
| Reaction of Sulphur and Oxygen |
|
Definition
S8 (s) + 8O2 (g) = 8SO2(s)
Burns with a blue flame |
|
|
Term
| Bonding in Sulphur Dioxide and Sulphur Trioxide |
|
Definition
| Sulphur Dioxide- [image]
Sulphur trioxide- [image] |
|
|
Term
| Reaction of Sulphur Dioxide and Sulphur Trioxide with Water |
|
Definition
Sulphur Dioxide-
SO2(g) + H20 (l) = H2SO3 (aq)
Sulphur Trioxide
SO3(g) + H20 (l) = H2SO4 (aq) |
|
|
Term
| Reaction of Chlorine with Water |
|
Definition
| Cl2(g) + H20 (l) = 2HCl (aq) + 1/2 O2 |
|
|
