How will you identify the following salts: calcium chloride, lead chloride and zinc chloride?

State your observations and write balanced equations.

(i) Sodium chloride solution is mixed with lead nitrate solution.

(ii) Ethylene gas is passed through a solution of bromine in carbon tetrachloride.

(iii) Sodium hydroxide is added to iron (III) sulphate solution.

(iv) Chlorine is passed through a solution of potassium iodide.

(v) Ammonium hydroxide solution is added to copper sulphate solution in excess.

Give one difference between the following.

(i) Ionisation and electrolytic dissociation.

(ii) Ionisation potential and electron affinity.

(iii) Polar and non-polar molecule.

(iv) Normal salt and acidic salt.

(v) Saturated hydrocarbons and unsaturated hydrocarbons.

Define :

(i) Electrolysis

(ii) Molar volume

(iii) Halogenation

(iv) Catenation

(v) Electronegativity