A sample of crude oil was heated and its vapour passed over red-hot pumice store. A mixture of gases was evolved which decolourised bromine in tetra chloromethane and burnt in air with a yellow flame.
a.What process is taking place when the vapour from the crude oil passes over heated pumice. (1mk)
b.Name the most likely type of compound causing decolourisation of the bromine solution. (1mk)
c.Name two compounds formed when the gas mixture above burns in air.