JAMB - Chemistry (1982 - No. 11)
Which of the following CANNOT be obtained by fractional distillation of petroleum?
Ether
Methane
Butane
Ethene
Hydrogen
Vysvetlenie
The fractional distillation of crude oil gives several products in liquid and gaseous forms. The products that are in the gaseous form include petroleum gas or LPG (liquefied petroleum gas) e.g. methane, ethane, propane, butane, propylene, butylene, propane, etc.
Therefore the answer to this question is hydrogen.