. 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 + Hydrochloric →Magnesium chloride (aq) + Hydrogen (g)

 

Best Answer

Ans. (a) Double displacement reaction (also known as precipitation reaction):

2KBr (aq) + Bal2 (aq) ---→ 2KI (q) + BaBr2 (s)
 

(b) Decomposition reaction:

ZnC03 (s) ---→ ZnO (s) + C02 (g)


(c) Combination reaction:

H2 (g) + Cl2 (g) ---→ 2HC1 (g)
 

(d) Displacement reaction:

Mg (s) + 2HCL (aq) ---→ MgC12 (aq) + H2 (g)
 

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