(a) Name one product of destructive distillation of coal that is (i) solid (ii) liquid; (iii) gas. (b) (i) What is the major component of synthetic gas? (ii...

(a) Name one product of destructive distillation of coal that is (i) solid (ii) liquid; (iii) gas.

(b) (i) What is the major component of synthetic gas? (ii) Give one reason why synthetic gas is not a major source of air pollution.

(c) (i) Write a balanced chemical equation for the complete combustion of carbon. (ii) State two: I. physical; II. chemical properties of the product in (c)(i).

(d) (i) Name two allotropes of carbon that are I. crystalline, II. amorphous. (ii) State one use of each of the allotropes named in (d)(i).

(e) (i) By means of balanced chemical equations only, outline the process of manufacture of H\(_2\)SO\(_4\), by contact process.

(ii) State the function of H\(_2\)SO\(_4\) in each of the following reaction equations:

I.  C\(_2\)H\(_5\)OH\(_{2(l)}\)  \(\to\) C\(_2\)H\(_{4(g)}\);

II. Pb(NO\(_{3(g)}\) + H\(_2\)SO\(_{4(g)}\) —> PbSO\(_{4(s)}\) + 2HNO\(_{3(aq)}\)