mioo noi7

Match each of the items in List A with the appropriate items in the list B. (7 marks)
List A List B
(a) Neutralization (i) it dissolves in noble metal gold
(b) Alum (ii) CaO Cl2.2 H2O
(c) Ammonium iron (II) sulphate (iii) show allotropy
(d) Aqua-regia (iv) reaction between any acid and a base
(e) Sulphur (v) dissociation constant of the indicator
(f) Bleaching powder (vi) K2SO4. Al2(SO4)3.24 H2O
(g) Kin (vii) (NH4)2 SO4.FeSO4.6H2O

1. Define the following terms. (8 marks)
   (a) Electron affinity
   (b) Gay-lussac’s law of oxidation number
   (c) Molarity
   (d) Electrolysis
   (e) Reduction in terms of oxidation number
   (f) A catalyst
   (g) Chemical energetics
   (h) An acid according to Lewis theory
   SECTION (B)
2. Answer ALL questions. (12 marks)
   (a) What of chemical bond is formed between 3NH3 and H+ ion? Write down the electron dot-cross formula
   of the ion formed.
   (b) Define ‘ Relative density of a gas’. What is the rel