Write the balanced chemical equation for the following and identify the type of reaction in each case. (a) Potassium bromide (aq) + Barium iodide(aq) → Potassium iodide (aq) + Barium bromide(s) (b) Zinc carbonate (s) → Zinc oxide (s) + Carbon dioxide (g) (c) Hydrogen (g) + Chlorine (g) → Hydrogen chloride (g) (d) Magnesium (s) + Hydrochloric acid (aq) → Magnesium chloride(aq) + Hydrogen(g)
(a) 2KBr (aq) + BaI2 (aq) → 2KI (aq) + BaBr2 (s): Double displacement reaction (b) ZnCO3 (s) → ZnO (s) + CO2 (g): Decomposition reaction (c) H2 (g) + Cl2 (g) → 2HCl (g): Combination reaction (d) Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g) : Displacement Reaction
