Question

(a) Classify the following reactions into different types :
(i) `AgNO_(3)(aq)+NaCl(aq)rarrAgCl(s)+NaNO_(3)(aq)`
(ii) `CaO(s)+H_(2)O(l)rarrCa(OH)_(2)(aq)`
(iii) `2KClO_(3)(s)overset(Delta)rarr2KCl(aq)+3O_(2)(g)`
(iv) `Zn+CuSO_(4)rarrZnSO_(4)+Cu`
(b) Translate the following statement into a balanced chemical equation: 'Barium chloride reacts with aluminium sulphate to give aluminium chloride and barium sulphate'.

Answer 1

(a) (i) Double displacement reaction
(ii) Combination reaction
(iii) Decomposition reaction
(iv) Displacement reaction
(b) `underset("chloride")underset("Barium")(3BaCl_(2))+underset("Sulphate")underset("Aluminium")(Al_(2)(SO_(4))_(3))rarrunderset("Chloride")underset("Aluminium")(2AlCl_(3))+underset("Sulphate")underset("Barium")(3BaSO_(4))`