(a) Name one product of destructive distillation of coal that is
(iii) Gas. [3 marks]
(b) (i) What is the major component of synthetic gas?
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. chemical properties of the product in 7 (c )(i) [ 5 marks]
(d) (i) Name two allotropes of carbon that are
(ii) State one
use of each
of the allotropes named in 7(d)(i). [ 8 marks]
(e) (i) By means of balanced chemical equations only, outline the process of manufacture
of H2S04 by contact process.
(ii) State the function of H2S04 in each of the following reaction equations:
1. C2H5OH(l) cone H2S04 →C2H4(g);
+ H2S04(aq) →
PbS04(s) + 2HN03(aq)
[ 7 marks]