Potassium chlorate (KCIO3) on heating forms potassium chloride and oxygen. Write a balanced equation for this reaction.

A reaction which has an equal number of atoms of all the elements on both sides of the chemical equation is called a balanced chemical equation. The law of conservation...

Answer (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)...

(a) N2(g) + 3H2(g) + Catalyst(773 K) → 2NH3(g) Combination reaction (b) NaOH(aq) + CH3COOH(aq) → CH3COONa(aq) + H2O(l) Double displacement reaction/Neutralisation reaction (c) C2H5OH(l) + CH3COOH(l) + H+ → CH3COOC2H5(l) + H2O(l) Double displacement...

(a) Fe2O3(s) + 2Al(s) ⎯→ Al2O3(s) + 2Fe(l) + Heat Displacement reaction/Redox reaction (b) 3Mg(s) + N2(g) ⎯→ Mg3N2(s) Combination reaction (c) 2KI(aq) +Cl2(g) ⎯→ 2KCl(aq) + I2(s) Displacement reaction (d) C2H5OH(l) + 3O2(g) ⎯→ 2CO2(g)...

(c) ozone and oxygen

(a) 2KO2 + 2H2O ⟶ 2KOH + H2O2 + O2.  (b) BeO + H2SO4 ⟶ BeSO4 + H2.  (c) C(OH)2 + Cl2 ⟶ CaOCl2 + H2O. 

(b) calcium and phosphorus

(a) Magnesium chloride →MgCl2  (b) Calcium oxide →CaO  (c) Copper nitrate →Cu(NO3)2  (d) Aluminium chloride →AlCl3  (e) Calcium carbonate →CaCO3

[Hint : Ag+ (aq) + 2NH3 (aq) => [Ag(NH3)2]+ (aq)]

(i) When silver nitrate solution is added to sodium chloride solution, a white precipitate of silver chloride is formed along with sodium nitrate solution. AgNO3(aq)+ NaCl(aq) --------> AgCl(s) + NaNO3(aq)      ...