Question

Q2. Balance the following chemical equations along with the symbols of physical states of all the reactants and the products: -
(i) Pb3O4 +HNO3 → Pb(NO3)2 + PbO2 +H2O
(ii) C2H5OH + O2 → CO2 + H2O + Heat
(iii) Pb3O4 + HCl→ PbCl2 + Cl2 + H2O ​

Answer 1

Explanation:

1.Pb3O4 + 4HNO3 = 2Pb(NO3)2 + PbO2 + 2H2O

2. C2H5OH+ 3O2 = 2CO2 + 3H2O + heat

3.Pb3O4 + 8HCl = 3PbCl2 + Cl2 + 4H2O

Answer 2

Answer:

1.Pb3O4 + 4HNO3 = 2Pb(NO3)2 + PbO2 + 2H2O · 2. C2H5OH+ 3O2 = 2CO2 + 3H2O + heat · 3.Pb3O4 + 8HCl = 3PbCl2 + Cl2 + 4H2o

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