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Write the balanced chemical equation for the following and identify the type of reaction in each case.
(i) Potassium bromide(aq) + Barium iodide(aq) `rarr` Potassium iodide(aq) + Barium bromide(s)
(ii) Zinc carbonate(s) `rarr` Zinc oxide(s) + Carbon dioxide(g)
(iii) Hydrogen(g) + Chlorine(g) `rarr` Hydrogen chloride(g)
(iv) Magnesium(s) + Hydrochloric acid(aq) `rarr` Magnesium chloride(aq) + Hydrogen(g)

A

Potassium bromide(aq) + Barium iodide(aq) `rarr` Potassium iodide(aq) + Barium bromide(s)

B

Zinc carbonate(s) `rarr` Zinc oxide(s) + Carbon dioxide(g)

C

Hydrogen(g) + Chlorine(g) `rarr` Hydrogen chloride(g)

D

Magnesium(s) + Hydrochloric acid(aq) `rarr` Magnesium chloride(aq) + Hydrogen(g)

Text Solution

Verified by Experts

(a) `2KBr (aq)+BaI_(2)(aq) rarr 2KI (aq) + BaBr_(2)(s)` :Double displacement reaction
(b) `ZnCO_(3)(s)rarr ZnO(s)+CO_(2)(g)` : Decomposition reaction
(c) `H_(2)(g)+Cl_2(g) rarr 2HCl(g)` : Combination reaction
(d) `Mg(s) +2HCl(aq) rarr MgCl_(2)(aq)+H_(2)(g)` : Displacement Reaction.
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