Chemistry
Balance these reactions and state what type of reactions they are:
(a) NaNO3 ⟶ NaNO2 + O2
(b) AgNO3 + Zn ⟶ Zn(NO3)2 + Ag
(c) Fe + HCl ⟶ FeCl2 + H2
(d) AgNO3 ⟶ Ag + NO2 + O2
(e) NaBr + Cl2 ⟶ NaCl + Br2
(f) PbO + C ⟶ Pb + CO2
(g) KClO3 ⟶ KCl + O2
(h) AgNO3 + HCl ⟶ AgCl ↓ + HNO3
(i) NH3 + HCl ⟶ NH4Cl
(j) N2 + H2 ⟶ NH3
Answer
(a) 2NaNO3 ⟶ 2NaNO2 + O2 ↑
Decomposition reaction
(b) 2AgNO3 + Zn ⟶ Zn(NO3)2 + 2Ag
Displacement reaction
(c) Fe + 2HCl ⟶ FeCl2 + H2 ↑
Displacement reaction
(d) 2AgNO3 ⟶ 2Ag + 2NO2 ↑ + O2 ↑
Decomposition reaction
(e) 2NaBr + Cl2 ⟶ 2NaCl + Br2
Displacement reaction
(f) 2PbO + C ⟶ 2Pb + CO2 ↑
Displacement reaction
(g) 2KClO3 ⟶ 2KCl + 3O2 ↑
Decomposition reaction
(h) AgNO3 + HCl ⟶ AgCl ↓ + HNO3
Double decomposition reaction
(i) NH3 + HCl ⟶ NH4Cl
Direct combination reaction
(j) N2 + 3H2 ⟶ 2NH3 ↑
Direct combination reaction
Related Questions
Explain the different types of double decomposition reactions by giving suitable equations.
Explain thermal dissociation and thermal decomposition reactions with examples. What is the difference between them ?
Discuss the factors that affect a chemical change.
What do you observe in the following cases?
(a) Lead nitrate is heated.
(b) Silver chloride is exposed to sunlight.
(c) Hydrogen peroxide is exposed to sunlight
(d) H2S gas is passed through copper sulphate solution
(e) Barium chloride is added to sodium sulphate solution.
(f) Water is added to quick lime
(g) Sodium chloride solution is added to silver nitrate solution.