Question

7. Write equations for the following reactions:
(a) Aluminium and dilute bydrochloric acid (b) Zinc and sodium bydroxide solution
(c)Sulphur and concentrated nitric acid (d) Sulphur dioxide gas and water
(e) Heated iron and steam.​

Answer 1

2Al + dill. 6HCl ---->2 AlCl3 + 3H2O

Zn +2 NaOH ----> Na2ZnO2 + H2

S + conc. 6HNO3 ----> H2SO4 + 6NO2 + 2H2O

SO 2 + H2O----> H2SO3

3Fe + 4H2O ----> Fe3O4 + 4H2