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)
kamdarakanshaBeginner
(a) Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)
Balanced chemical equation:
2KBr(aq) + BaI2(aq) -> 2KI(aq) + BaBr2(s)
Type of reaction: Double Displacement (or exchange) reaction
(b) Zinc carbonate(s) → Zinc oxide(s) + Carbon dioxide(g)
Balanced chemical equation:
ZnCO3(s) -> ZnO(s) + CO2(g)
Type of reaction: Decomposition reaction
(c) Hydrogen(g) + Chlorine(g) → Hydrogen chloride(g)
Balanced chemical equation:
2H2(g) + Cl2(g) -> 2HCl(g)
Type of reaction: Combination reaction
(d) Magnesium(s) + Hydrochloric acid(aq) → Magnesium chloride(aq) + Hydrogen(g)
Balanced chemical equation:
Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2(g)
Type of reaction: Single Displacement (or substitution) reaction