PEKA Experiment List For Chemistry Form 4 - Chemical Bonds

Chapter 5 – Chemical Bonds

List of PEKA experiments:

1. Ionic compound

Number	Activity 5.1
Pg.	52
Title	Ionic compound
Aim	To prepare ionic compounds(A) Preparation of magnesium oxide, MgO (B) Preparation of sodium chloride, NaCl (C) Preparation of iron(III) chloride, FeCl3
Apparatus	(A) Preparation of magnesium oxide, MgO Sandpaper Crucible Spatula Pipe-clay triangle Tripod stand Bunsen burner (B) Preparation of sodium chloride, NaCl Knife Forceps Filter paper Spatula Gas jar spoon / Deflagrating spoon Gas jar cover Gas jar (C) Preparation of iron(III) chloride, FeCl3 Spatula Asbestos paper Combustion tube Stopper with delivery tube Retort stand and clamp Bunsen burner
Material	(A) Preparation of magnesium oxide, MgO Magnesium ribbon (B) Preparation of sodium chloride, NaCl Sodium Chlorine gas, Cl2 (C) Preparation of iron(III) chloride, FeCl3 Iron filling Chlorine gas, Cl2

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2. Properties of ionic and covalent compounds

Number	Activity 5.3
Pg.	55
Title	Properties of ionic and covalent compounds
Aim	To compare the properties of ionic and covalent compounds(A) Melting point and boiling point (B) Solubility in water and organic solvents (C) Electrical conductivity
Apparatus	(A) Melting point and boiling point Spatula Evaporating dish Dropper (B) Solubility in water and organic solvents Spatula Glass rod Test tubes Test tube rack (C) Electrical conductivity Spatula Glass rod Switch Connecting wires with crocodile clips Batteries Bulb Carbon electrodes Beakers Crucible Tripod stand Pipe-clay triangle Bunsen burner
Material	(A) Melting point and boiling point Magnesium chloride, MgCl2 Sodium sulphate, Na2SO4 Diethyl ether, (C2H5)2O Hexane, C6H14 (B) Solubility in water and organic solvents Distilled water Magnesium chloride, MgCl2 Cyclohexane, C6H12 Sodium sulphate, Na2SO4 Diethyl ether, (C2H5)2O Hexane, C6H14 (C) Electrical conductivity Solid lead(II) bromide, PbBr2 Magnesium chloride, MgCl2 solution Naphthalene, C10H8