11. Which one of the following is a correct formation reaction?
A. C(diamond) → C(graphite)
B. H2(g) + O(g) → H2O(l)
C. C(graphite) + 4H(g) → CH4(g)
D. 6C(graphite) + 6H2O(s) → C6H12O6(s)
E. 2C(graphite) + 3H2(g) + ½O2(g) → C2H5OH(l)