Chemistry · May / June 2022 · Paper 12 · Question 35

A series of reactions producing propanol from the naphtha fraction of petroleum (crude oil) is shown. [reaction scheme: naphtha --X--> propene --Y--> propan-1-ol] What are processes X and Y?

1. Acracking; reaction with steam
2. Bcracking; fermentation
3. Cfractional distillation; reaction with steam
4. Dfractional distillation; fermentation

As printed in the paper