Question

1.write balanced chemical equation:

a. ferrous sulphate decomposes to form ferric oxide, sulphur dioxide and sulphur trioxide

b. Sodium chloride + concentrated sulphuric acid + manganese dioxide -> sodium hydrogen sulphate + manganese sulphate + water + chlorine

Answer 1

a)2FeSO4------∆------> Fe2+2SO2+SO3
b)2NaCl +
2H2SO4+MgO--------- > 2NaHSO4±MgSO4+H2O+ Cl2