Question

coal gas is a mixture of
a)CO and H2 only
b)H2 saturated and unsaturated hydrocarbons,CO,CO2,N2 and O2
c)saturated and unsaturated hydrocarbons only
d)CO,CO2 and CH4 only​

Answer 1

Explanation:

33. Which of the following process will have AH positive?

(1) H2(g) + 12(g) → 2HI(g)

(2) C(s) + O2(g) - - CO2(9)

(3) CO(g) +20,(9) —>00,00

(4) S0,(9)+20,(9) —S03(9)