Question

14. Write a balanced chemical equation with state symbols for the following word equations: (1) Iron metal reacts with steam to form iron (II, III) oxide and hydrogen gas. (1) Carbon monoxide reacts with hydrogen in the presence of catalyst zinc oxide and chromium oxide at 300 and 300 C to form methanol. (ii) Barium chloride solution reacts with aluminium sulphate solution to give a precipitate of barium sulphatealuminium chloride solution (iv) Aluminium chloride solution reacts with ammonium hydroxide solution to form precipitates of aluminium hyd and solution of ammonium chloride. (u) Lead nitrate decomposes on heating to form lead oxide, nitrogen dioxide gas and oxygen.​

Answer 1

Answer:

3Fe+4H

2

O⟶Fe

3

O

4

+4H

2(g)

Generally metal react with steam to form metal oxide and hydrogen gas.

Iron reacts to form iron(II,III) oxide [FeO+Fe

2

O

3

] and H

2

gas.